2 * Copyright (c) 2009 Yahoo! Inc.
3 * Copyright (c) 2011, 2012 LSI Corp.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * LSI MPT-Fusion Host Adapter FreeBSD
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 /* Communications core for LSI MPT2 */
37 /* TODO Move headers to mpsvar */
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/selinfo.h>
43 #include <sys/module.h>
47 #include <sys/malloc.h>
49 #include <sys/sysctl.h>
50 #include <sys/endian.h>
51 #include <sys/queue.h>
52 #include <sys/kthread.h>
53 #include <sys/taskqueue.h>
56 #include <machine/bus.h>
57 #include <machine/resource.h>
60 #include <machine/stdarg.h>
63 #include <cam/cam_ccb.h>
64 #include <cam/cam_xpt.h>
65 #include <cam/cam_debug.h>
66 #include <cam/cam_sim.h>
67 #include <cam/cam_xpt_sim.h>
68 #include <cam/cam_xpt_periph.h>
69 #include <cam/cam_periph.h>
70 #include <cam/scsi/scsi_all.h>
71 #include <cam/scsi/scsi_message.h>
72 #if __FreeBSD_version >= 900026
73 #include <cam/scsi/smp_all.h>
76 #include <dev/mps/mpi/mpi2_type.h>
77 #include <dev/mps/mpi/mpi2.h>
78 #include <dev/mps/mpi/mpi2_ioc.h>
79 #include <dev/mps/mpi/mpi2_sas.h>
80 #include <dev/mps/mpi/mpi2_cnfg.h>
81 #include <dev/mps/mpi/mpi2_init.h>
82 #include <dev/mps/mpi/mpi2_tool.h>
83 #include <dev/mps/mps_ioctl.h>
84 #include <dev/mps/mpsvar.h>
85 #include <dev/mps/mps_table.h>
86 #include <dev/mps/mps_sas.h>
88 #define MPSSAS_DISCOVERY_TIMEOUT 20
89 #define MPSSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */
92 * static array to check SCSI OpCode for EEDP protection bits
94 #define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
95 #define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
96 #define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
97 static uint8_t op_code_prot[256] = {
98 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
99 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
100 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
102 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
103 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
104 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
105 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
106 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
107 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
108 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
109 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
110 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
111 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
112 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
113 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
116 MALLOC_DEFINE(M_MPSSAS, "MPSSAS", "MPS SAS memory");
118 static void mpssas_discovery_timeout(void *data);
119 static void mpssas_remove_device(struct mps_softc *, struct mps_command *);
120 static void mpssas_remove_complete(struct mps_softc *, struct mps_command *);
121 static void mpssas_action(struct cam_sim *sim, union ccb *ccb);
122 static void mpssas_poll(struct cam_sim *sim);
123 static void mpssas_scsiio_timeout(void *data);
124 static void mpssas_abort_complete(struct mps_softc *sc, struct mps_command *cm);
125 static void mpssas_direct_drive_io(struct mpssas_softc *sassc,
126 struct mps_command *cm, union ccb *ccb);
127 static void mpssas_action_scsiio(struct mpssas_softc *, union ccb *);
128 static void mpssas_scsiio_complete(struct mps_softc *, struct mps_command *);
129 static void mpssas_action_resetdev(struct mpssas_softc *, union ccb *);
130 #if __FreeBSD_version >= 900026
131 static void mpssas_smpio_complete(struct mps_softc *sc, struct mps_command *cm);
132 static void mpssas_send_smpcmd(struct mpssas_softc *sassc, union ccb *ccb,
134 static void mpssas_action_smpio(struct mpssas_softc *sassc, union ccb *ccb);
135 #endif //FreeBSD_version >= 900026
136 static void mpssas_resetdev_complete(struct mps_softc *, struct mps_command *);
137 static int mpssas_send_abort(struct mps_softc *sc, struct mps_command *tm, struct mps_command *cm);
138 static int mpssas_send_reset(struct mps_softc *sc, struct mps_command *tm, uint8_t type);
139 static void mpssas_async(void *callback_arg, uint32_t code,
140 struct cam_path *path, void *arg);
141 #if (__FreeBSD_version < 901503) || \
142 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
143 static void mpssas_check_eedp(struct mps_softc *sc, struct cam_path *path,
144 struct ccb_getdev *cgd);
145 static void mpssas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb);
147 static int mpssas_send_portenable(struct mps_softc *sc);
148 static void mpssas_portenable_complete(struct mps_softc *sc,
149 struct mps_command *cm);
151 struct mpssas_target *
152 mpssas_find_target_by_handle(struct mpssas_softc *sassc, int start, uint16_t handle)
154 struct mpssas_target *target;
157 for (i = start; i < sassc->maxtargets; i++) {
158 target = &sassc->targets[i];
159 if (target->handle == handle)
166 /* we need to freeze the simq during attach and diag reset, to avoid failing
167 * commands before device handles have been found by discovery. Since
168 * discovery involves reading config pages and possibly sending commands,
169 * discovery actions may continue even after we receive the end of discovery
170 * event, so refcount discovery actions instead of assuming we can unfreeze
171 * the simq when we get the event.
174 mpssas_startup_increment(struct mpssas_softc *sassc)
176 MPS_FUNCTRACE(sassc->sc);
178 if ((sassc->flags & MPSSAS_IN_STARTUP) != 0) {
179 if (sassc->startup_refcount++ == 0) {
180 /* just starting, freeze the simq */
181 mps_dprint(sassc->sc, MPS_INIT,
182 "%s freezing simq\n", __func__);
183 #if __FreeBSD_version >= 1000039
186 xpt_freeze_simq(sassc->sim, 1);
188 mps_dprint(sassc->sc, MPS_INIT, "%s refcount %u\n", __func__,
189 sassc->startup_refcount);
194 mpssas_startup_decrement(struct mpssas_softc *sassc)
196 MPS_FUNCTRACE(sassc->sc);
198 if ((sassc->flags & MPSSAS_IN_STARTUP) != 0) {
199 if (--sassc->startup_refcount == 0) {
200 /* finished all discovery-related actions, release
201 * the simq and rescan for the latest topology.
203 mps_dprint(sassc->sc, MPS_INIT,
204 "%s releasing simq\n", __func__);
205 sassc->flags &= ~MPSSAS_IN_STARTUP;
206 xpt_release_simq(sassc->sim, 1);
207 #if __FreeBSD_version >= 1000039
210 mpssas_rescan_target(sassc->sc, NULL);
213 mps_dprint(sassc->sc, MPS_INIT, "%s refcount %u\n", __func__,
214 sassc->startup_refcount);
218 /* LSI's firmware requires us to stop sending commands when we're doing task
219 * management, so refcount the TMs and keep the simq frozen when any are in
223 mpssas_alloc_tm(struct mps_softc *sc)
225 struct mps_command *tm;
228 tm = mps_alloc_high_priority_command(sc);
230 if (sc->sassc->tm_count++ == 0) {
231 mps_dprint(sc, MPS_RECOVERY,
232 "%s freezing simq\n", __func__);
233 xpt_freeze_simq(sc->sassc->sim, 1);
235 mps_dprint(sc, MPS_RECOVERY, "%s tm_count %u\n", __func__,
236 sc->sassc->tm_count);
242 mpssas_free_tm(struct mps_softc *sc, struct mps_command *tm)
244 mps_dprint(sc, MPS_TRACE, "%s", __func__);
248 /* if there are no TMs in use, we can release the simq. We use our
249 * own refcount so that it's easier for a diag reset to cleanup and
252 if (--sc->sassc->tm_count == 0) {
253 mps_dprint(sc, MPS_RECOVERY, "%s releasing simq\n", __func__);
254 xpt_release_simq(sc->sassc->sim, 1);
256 mps_dprint(sc, MPS_RECOVERY, "%s tm_count %u\n", __func__,
257 sc->sassc->tm_count);
259 mps_free_high_priority_command(sc, tm);
263 mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ)
265 struct mpssas_softc *sassc = sc->sassc;
267 target_id_t targetid;
271 pathid = cam_sim_path(sassc->sim);
273 targetid = CAM_TARGET_WILDCARD;
275 targetid = targ - sassc->targets;
278 * Allocate a CCB and schedule a rescan.
280 ccb = xpt_alloc_ccb_nowait();
282 mps_dprint(sc, MPS_ERROR, "unable to alloc CCB for rescan\n");
286 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid,
287 targetid, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
288 mps_dprint(sc, MPS_ERROR, "unable to create path for rescan\n");
293 if (targetid == CAM_TARGET_WILDCARD)
294 ccb->ccb_h.func_code = XPT_SCAN_BUS;
296 ccb->ccb_h.func_code = XPT_SCAN_TGT;
298 mps_dprint(sc, MPS_TRACE, "%s targetid %u\n", __func__, targetid);
303 mpssas_log_command(struct mps_command *cm, u_int level, const char *fmt, ...)
313 /* No need to be in here if debugging isn't enabled */
314 if ((cm->cm_sc->mps_debug & level) == 0)
317 sbuf_new(&sb, str, sizeof(str), 0);
321 if (cm->cm_ccb != NULL) {
322 xpt_path_string(cm->cm_ccb->csio.ccb_h.path, path_str,
324 sbuf_cat(&sb, path_str);
325 if (cm->cm_ccb->ccb_h.func_code == XPT_SCSI_IO) {
326 scsi_command_string(&cm->cm_ccb->csio, &sb);
327 sbuf_printf(&sb, "length %d ",
328 cm->cm_ccb->csio.dxfer_len);
332 sbuf_printf(&sb, "(noperiph:%s%d:%u:%u:%u): ",
333 cam_sim_name(cm->cm_sc->sassc->sim),
334 cam_sim_unit(cm->cm_sc->sassc->sim),
335 cam_sim_bus(cm->cm_sc->sassc->sim),
336 cm->cm_targ ? cm->cm_targ->tid : 0xFFFFFFFF,
340 sbuf_printf(&sb, "SMID %u ", cm->cm_desc.Default.SMID);
341 sbuf_vprintf(&sb, fmt, ap);
343 mps_dprint_field(cm->cm_sc, level, "%s", sbuf_data(&sb));
350 mpssas_remove_volume(struct mps_softc *sc, struct mps_command *tm)
352 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
353 struct mpssas_target *targ;
358 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
359 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
363 /* XXX retry the remove after the diag reset completes? */
364 mps_dprint(sc, MPS_FAULT,
365 "%s NULL reply reseting device 0x%04x\n", __func__, handle);
366 mpssas_free_tm(sc, tm);
370 if (reply->IOCStatus != MPI2_IOCSTATUS_SUCCESS) {
371 mps_dprint(sc, MPS_FAULT,
372 "IOCStatus = 0x%x while resetting device 0x%x\n",
373 reply->IOCStatus, handle);
374 mpssas_free_tm(sc, tm);
378 mps_dprint(sc, MPS_XINFO,
379 "Reset aborted %u commands\n", reply->TerminationCount);
380 mps_free_reply(sc, tm->cm_reply_data);
381 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
383 mps_dprint(sc, MPS_XINFO,
384 "clearing target %u handle 0x%04x\n", targ->tid, handle);
387 * Don't clear target if remove fails because things will get confusing.
388 * Leave the devname and sasaddr intact so that we know to avoid reusing
389 * this target id if possible, and so we can assign the same target id
390 * to this device if it comes back in the future.
392 if (reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) {
395 targ->encl_handle = 0x0;
396 targ->encl_slot = 0x0;
397 targ->exp_dev_handle = 0x0;
399 targ->linkrate = 0x0;
404 mpssas_free_tm(sc, tm);
409 * No Need to call "MPI2_SAS_OP_REMOVE_DEVICE" For Volume removal.
410 * Otherwise Volume Delete is same as Bare Drive Removal.
413 mpssas_prepare_volume_remove(struct mpssas_softc *sassc, uint16_t handle)
415 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
416 struct mps_softc *sc;
417 struct mps_command *cm;
418 struct mpssas_target *targ = NULL;
420 MPS_FUNCTRACE(sassc->sc);
425 * If this is a WD controller, determine if the disk should be exposed
426 * to the OS or not. If disk should be exposed, return from this
427 * function without doing anything.
429 if (sc->WD_available && (sc->WD_hide_expose ==
430 MPS_WD_EXPOSE_ALWAYS)) {
435 targ = mpssas_find_target_by_handle(sassc, 0, handle);
437 /* FIXME: what is the action? */
438 /* We don't know about this device? */
439 mps_dprint(sc, MPS_ERROR,
440 "%s %d : invalid handle 0x%x \n", __func__,__LINE__, handle);
444 targ->flags |= MPSSAS_TARGET_INREMOVAL;
446 cm = mpssas_alloc_tm(sc);
448 mps_dprint(sc, MPS_ERROR,
449 "%s: command alloc failure\n", __func__);
453 mpssas_rescan_target(sc, targ);
455 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
456 req->DevHandle = targ->handle;
457 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
458 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
460 /* SAS Hard Link Reset / SATA Link Reset */
461 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
465 cm->cm_desc.HighPriority.RequestFlags =
466 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
467 cm->cm_complete = mpssas_remove_volume;
468 cm->cm_complete_data = (void *)(uintptr_t)handle;
469 mps_map_command(sc, cm);
473 * The MPT2 firmware performs debounce on the link to avoid transient link
474 * errors and false removals. When it does decide that link has been lost
475 * and a device need to go away, it expects that the host will perform a
476 * target reset and then an op remove. The reset has the side-effect of
477 * aborting any outstanding requests for the device, which is required for
478 * the op-remove to succeed. It's not clear if the host should check for
479 * the device coming back alive after the reset.
482 mpssas_prepare_remove(struct mpssas_softc *sassc, uint16_t handle)
484 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
485 struct mps_softc *sc;
486 struct mps_command *cm;
487 struct mpssas_target *targ = NULL;
489 MPS_FUNCTRACE(sassc->sc);
493 targ = mpssas_find_target_by_handle(sassc, 0, handle);
495 /* FIXME: what is the action? */
496 /* We don't know about this device? */
497 mps_dprint(sc, MPS_ERROR,
498 "%s : invalid handle 0x%x \n", __func__, handle);
502 targ->flags |= MPSSAS_TARGET_INREMOVAL;
504 cm = mpssas_alloc_tm(sc);
506 mps_dprint(sc, MPS_ERROR,
507 "%s: command alloc failure\n", __func__);
511 mpssas_rescan_target(sc, targ);
513 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
514 memset(req, 0, sizeof(*req));
515 req->DevHandle = htole16(targ->handle);
516 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
517 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
519 /* SAS Hard Link Reset / SATA Link Reset */
520 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
524 cm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
525 cm->cm_complete = mpssas_remove_device;
526 cm->cm_complete_data = (void *)(uintptr_t)handle;
527 mps_map_command(sc, cm);
531 mpssas_remove_device(struct mps_softc *sc, struct mps_command *tm)
533 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
534 MPI2_SAS_IOUNIT_CONTROL_REQUEST *req;
535 struct mpssas_target *targ;
536 struct mps_command *next_cm;
541 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
542 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
546 * Currently there should be no way we can hit this case. It only
547 * happens when we have a failure to allocate chain frames, and
548 * task management commands don't have S/G lists.
550 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
551 mps_dprint(sc, MPS_ERROR,
552 "%s: cm_flags = %#x for remove of handle %#04x! "
553 "This should not happen!\n", __func__, tm->cm_flags,
555 mpssas_free_tm(sc, tm);
560 /* XXX retry the remove after the diag reset completes? */
561 mps_dprint(sc, MPS_FAULT,
562 "%s NULL reply reseting device 0x%04x\n", __func__, handle);
563 mpssas_free_tm(sc, tm);
567 if (le16toh(reply->IOCStatus) != MPI2_IOCSTATUS_SUCCESS) {
568 mps_dprint(sc, MPS_FAULT,
569 "IOCStatus = 0x%x while resetting device 0x%x\n",
570 le16toh(reply->IOCStatus), handle);
571 mpssas_free_tm(sc, tm);
575 mps_dprint(sc, MPS_XINFO, "Reset aborted %u commands\n",
576 le32toh(reply->TerminationCount));
577 mps_free_reply(sc, tm->cm_reply_data);
578 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
580 /* Reuse the existing command */
581 req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)tm->cm_req;
582 memset(req, 0, sizeof(*req));
583 req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
584 req->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
585 req->DevHandle = htole16(handle);
587 tm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
588 tm->cm_complete = mpssas_remove_complete;
589 tm->cm_complete_data = (void *)(uintptr_t)handle;
591 mps_map_command(sc, tm);
593 mps_dprint(sc, MPS_XINFO, "clearing target %u handle 0x%04x\n",
595 TAILQ_FOREACH_SAFE(tm, &targ->commands, cm_link, next_cm) {
598 mps_dprint(sc, MPS_XINFO, "Completing missed command %p\n", tm);
599 ccb = tm->cm_complete_data;
600 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
601 mpssas_scsiio_complete(sc, tm);
606 mpssas_remove_complete(struct mps_softc *sc, struct mps_command *tm)
608 MPI2_SAS_IOUNIT_CONTROL_REPLY *reply;
610 struct mpssas_target *targ;
611 struct mpssas_lun *lun;
615 reply = (MPI2_SAS_IOUNIT_CONTROL_REPLY *)tm->cm_reply;
616 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
619 * Currently there should be no way we can hit this case. It only
620 * happens when we have a failure to allocate chain frames, and
621 * task management commands don't have S/G lists.
623 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
624 mps_dprint(sc, MPS_XINFO,
625 "%s: cm_flags = %#x for remove of handle %#04x! "
626 "This should not happen!\n", __func__, tm->cm_flags,
628 mpssas_free_tm(sc, tm);
633 /* most likely a chip reset */
634 mps_dprint(sc, MPS_FAULT,
635 "%s NULL reply removing device 0x%04x\n", __func__, handle);
636 mpssas_free_tm(sc, tm);
640 mps_dprint(sc, MPS_XINFO,
641 "%s on handle 0x%04x, IOCStatus= 0x%x\n", __func__,
642 handle, le16toh(reply->IOCStatus));
645 * Don't clear target if remove fails because things will get confusing.
646 * Leave the devname and sasaddr intact so that we know to avoid reusing
647 * this target id if possible, and so we can assign the same target id
648 * to this device if it comes back in the future.
650 if (le16toh(reply->IOCStatus) == MPI2_IOCSTATUS_SUCCESS) {
653 targ->encl_handle = 0x0;
654 targ->encl_slot = 0x0;
655 targ->exp_dev_handle = 0x0;
657 targ->linkrate = 0x0;
661 while(!SLIST_EMPTY(&targ->luns)) {
662 lun = SLIST_FIRST(&targ->luns);
663 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
669 mpssas_free_tm(sc, tm);
673 mpssas_register_events(struct mps_softc *sc)
675 u32 events[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
678 setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
679 setbit(events, MPI2_EVENT_SAS_DISCOVERY);
680 setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
681 setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE);
682 setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW);
683 setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
684 setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
685 setbit(events, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
686 setbit(events, MPI2_EVENT_IR_VOLUME);
687 setbit(events, MPI2_EVENT_IR_PHYSICAL_DISK);
688 setbit(events, MPI2_EVENT_IR_OPERATION_STATUS);
689 setbit(events, MPI2_EVENT_LOG_ENTRY_ADDED);
691 mps_register_events(sc, events, mpssas_evt_handler, NULL,
692 &sc->sassc->mpssas_eh);
698 mps_attach_sas(struct mps_softc *sc)
700 struct mpssas_softc *sassc;
706 sassc = malloc(sizeof(struct mpssas_softc), M_MPT2, M_WAITOK|M_ZERO);
708 device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n",
714 * XXX MaxTargets could change during a reinit. Since we don't
715 * resize the targets[] array during such an event, cache the value
716 * of MaxTargets here so that we don't get into trouble later. This
717 * should move into the reinit logic.
719 sassc->maxtargets = sc->facts->MaxTargets;
720 sassc->targets = malloc(sizeof(struct mpssas_target) *
721 sassc->maxtargets, M_MPT2, M_WAITOK|M_ZERO);
722 if(!sassc->targets) {
723 device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n",
731 if ((sassc->devq = cam_simq_alloc(sc->num_reqs)) == NULL) {
732 mps_dprint(sc, MPS_ERROR, "Cannot allocate SIMQ\n");
737 unit = device_get_unit(sc->mps_dev);
738 sassc->sim = cam_sim_alloc(mpssas_action, mpssas_poll, "mps", sassc,
739 unit, &sc->mps_mtx, sc->num_reqs, sc->num_reqs, sassc->devq);
740 if (sassc->sim == NULL) {
741 mps_dprint(sc, MPS_ERROR, "Cannot allocate SIM\n");
746 TAILQ_INIT(&sassc->ev_queue);
748 /* Initialize taskqueue for Event Handling */
749 TASK_INIT(&sassc->ev_task, 0, mpssas_firmware_event_work, sc);
750 sassc->ev_tq = taskqueue_create("mps_taskq", M_NOWAIT | M_ZERO,
751 taskqueue_thread_enqueue, &sassc->ev_tq);
753 /* Run the task queue with lowest priority */
754 taskqueue_start_threads(&sassc->ev_tq, 1, 255, "%s taskq",
755 device_get_nameunit(sc->mps_dev));
760 * XXX There should be a bus for every port on the adapter, but since
761 * we're just going to fake the topology for now, we'll pretend that
762 * everything is just a target on a single bus.
764 if ((error = xpt_bus_register(sassc->sim, sc->mps_dev, 0)) != 0) {
765 mps_dprint(sc, MPS_ERROR, "Error %d registering SCSI bus\n",
772 * Assume that discovery events will start right away.
774 * Hold off boot until discovery is complete.
776 sassc->flags |= MPSSAS_IN_STARTUP | MPSSAS_IN_DISCOVERY;
777 sc->sassc->startup_refcount = 0;
778 mpssas_startup_increment(sassc);
780 callout_init(&sassc->discovery_callout, 1 /*mpsafe*/);
781 sassc->discovery_timeouts = 0;
786 * Register for async events so we can determine the EEDP
787 * capabilities of devices.
789 status = xpt_create_path(&sassc->path, /*periph*/NULL,
790 cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD,
792 if (status != CAM_REQ_CMP) {
793 mps_printf(sc, "Error %#x creating sim path\n", status);
798 #if (__FreeBSD_version >= 1000006) || \
799 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
800 event = AC_ADVINFO_CHANGED;
802 event = AC_FOUND_DEVICE;
804 status = xpt_register_async(event, mpssas_async, sc,
806 if (status != CAM_REQ_CMP) {
807 mps_dprint(sc, MPS_ERROR,
808 "Error %#x registering async handler for "
809 "AC_ADVINFO_CHANGED events\n", status);
810 xpt_free_path(sassc->path);
814 if (status != CAM_REQ_CMP) {
816 * EEDP use is the exception, not the rule.
817 * Warn the user, but do not fail to attach.
819 mps_printf(sc, "EEDP capabilities disabled.\n");
824 mpssas_register_events(sc);
832 mps_detach_sas(struct mps_softc *sc)
834 struct mpssas_softc *sassc;
835 struct mpssas_lun *lun, *lun_tmp;
836 struct mpssas_target *targ;
841 if (sc->sassc == NULL)
845 mps_deregister_events(sc, sassc->mpssas_eh);
848 * Drain and free the event handling taskqueue with the lock
849 * unheld so that any parallel processing tasks drain properly
850 * without deadlocking.
852 if (sassc->ev_tq != NULL)
853 taskqueue_free(sassc->ev_tq);
855 /* Make sure CAM doesn't wedge if we had to bail out early. */
858 /* Deregister our async handler */
859 if (sassc->path != NULL) {
860 xpt_register_async(0, mpssas_async, sc, sassc->path);
861 xpt_free_path(sassc->path);
865 if (sassc->flags & MPSSAS_IN_STARTUP)
866 xpt_release_simq(sassc->sim, 1);
868 if (sassc->sim != NULL) {
869 xpt_bus_deregister(cam_sim_path(sassc->sim));
870 cam_sim_free(sassc->sim, FALSE);
873 sassc->flags |= MPSSAS_SHUTDOWN;
876 if (sassc->devq != NULL)
877 cam_simq_free(sassc->devq);
879 for(i=0; i< sassc->maxtargets ;i++) {
880 targ = &sassc->targets[i];
881 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
885 free(sassc->targets, M_MPT2);
893 mpssas_discovery_end(struct mpssas_softc *sassc)
895 struct mps_softc *sc = sassc->sc;
899 if (sassc->flags & MPSSAS_DISCOVERY_TIMEOUT_PENDING)
900 callout_stop(&sassc->discovery_callout);
905 mpssas_discovery_timeout(void *data)
907 struct mpssas_softc *sassc = data;
908 struct mps_softc *sc;
914 mps_dprint(sc, MPS_INFO,
915 "Timeout waiting for discovery, interrupts may not be working!\n");
916 sassc->flags &= ~MPSSAS_DISCOVERY_TIMEOUT_PENDING;
918 /* Poll the hardware for events in case interrupts aren't working */
921 mps_dprint(sassc->sc, MPS_INFO,
922 "Finished polling after discovery timeout at %d\n", ticks);
924 if ((sassc->flags & MPSSAS_IN_DISCOVERY) == 0) {
925 mpssas_discovery_end(sassc);
927 if (sassc->discovery_timeouts < MPSSAS_MAX_DISCOVERY_TIMEOUTS) {
928 sassc->flags |= MPSSAS_DISCOVERY_TIMEOUT_PENDING;
929 callout_reset(&sassc->discovery_callout,
930 MPSSAS_DISCOVERY_TIMEOUT * hz,
931 mpssas_discovery_timeout, sassc);
932 sassc->discovery_timeouts++;
934 mps_dprint(sassc->sc, MPS_FAULT,
935 "Discovery timed out, continuing.\n");
936 sassc->flags &= ~MPSSAS_IN_DISCOVERY;
937 mpssas_discovery_end(sassc);
945 mpssas_action(struct cam_sim *sim, union ccb *ccb)
947 struct mpssas_softc *sassc;
949 sassc = cam_sim_softc(sim);
951 MPS_FUNCTRACE(sassc->sc);
952 mps_dprint(sassc->sc, MPS_TRACE, "ccb func_code 0x%x\n",
953 ccb->ccb_h.func_code);
954 mtx_assert(&sassc->sc->mps_mtx, MA_OWNED);
956 switch (ccb->ccb_h.func_code) {
959 struct ccb_pathinq *cpi = &ccb->cpi;
961 cpi->version_num = 1;
962 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
963 cpi->target_sprt = 0;
964 #if __FreeBSD_version >= 1000039
965 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN;
967 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
969 cpi->hba_eng_cnt = 0;
970 cpi->max_target = sassc->maxtargets - 1;
972 cpi->initiator_id = sassc->maxtargets - 1;
973 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
974 strncpy(cpi->hba_vid, "LSILogic", HBA_IDLEN);
975 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
976 cpi->unit_number = cam_sim_unit(sim);
977 cpi->bus_id = cam_sim_bus(sim);
978 cpi->base_transfer_speed = 150000;
979 cpi->transport = XPORT_SAS;
980 cpi->transport_version = 0;
981 cpi->protocol = PROTO_SCSI;
982 cpi->protocol_version = SCSI_REV_SPC;
983 #if __FreeBSD_version >= 800001
985 * XXX KDM where does this number come from?
987 cpi->maxio = 256 * 1024;
989 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
992 case XPT_GET_TRAN_SETTINGS:
994 struct ccb_trans_settings *cts;
995 struct ccb_trans_settings_sas *sas;
996 struct ccb_trans_settings_scsi *scsi;
997 struct mpssas_target *targ;
1000 sas = &cts->xport_specific.sas;
1001 scsi = &cts->proto_specific.scsi;
1003 KASSERT(cts->ccb_h.target_id < sassc->maxtargets,
1004 ("Target %d out of bounds in XPT_GET_TRANS_SETTINGS\n",
1005 cts->ccb_h.target_id));
1006 targ = &sassc->targets[cts->ccb_h.target_id];
1007 if (targ->handle == 0x0) {
1008 mpssas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
1012 cts->protocol_version = SCSI_REV_SPC2;
1013 cts->transport = XPORT_SAS;
1014 cts->transport_version = 0;
1016 sas->valid = CTS_SAS_VALID_SPEED;
1017 switch (targ->linkrate) {
1019 sas->bitrate = 150000;
1022 sas->bitrate = 300000;
1025 sas->bitrate = 600000;
1031 cts->protocol = PROTO_SCSI;
1032 scsi->valid = CTS_SCSI_VALID_TQ;
1033 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1035 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1038 case XPT_CALC_GEOMETRY:
1039 cam_calc_geometry(&ccb->ccg, /*extended*/1);
1040 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1043 mps_dprint(sassc->sc, MPS_XINFO, "mpssas_action XPT_RESET_DEV\n");
1044 mpssas_action_resetdev(sassc, ccb);
1049 mps_dprint(sassc->sc, MPS_XINFO,
1050 "mpssas_action faking success for abort or reset\n");
1051 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1054 mpssas_action_scsiio(sassc, ccb);
1056 #if __FreeBSD_version >= 900026
1058 mpssas_action_smpio(sassc, ccb);
1062 mpssas_set_ccbstatus(ccb, CAM_FUNC_NOTAVAIL);
1070 mpssas_announce_reset(struct mps_softc *sc, uint32_t ac_code,
1071 target_id_t target_id, lun_id_t lun_id)
1073 path_id_t path_id = cam_sim_path(sc->sassc->sim);
1074 struct cam_path *path;
1076 mps_dprint(sc, MPS_XINFO, "%s code %x target %d lun %d\n", __func__,
1077 ac_code, target_id, lun_id);
1079 if (xpt_create_path(&path, NULL,
1080 path_id, target_id, lun_id) != CAM_REQ_CMP) {
1081 mps_dprint(sc, MPS_ERROR, "unable to create path for reset "
1086 xpt_async(ac_code, path, NULL);
1087 xpt_free_path(path);
1091 mpssas_complete_all_commands(struct mps_softc *sc)
1093 struct mps_command *cm;
1098 mtx_assert(&sc->mps_mtx, MA_OWNED);
1100 /* complete all commands with a NULL reply */
1101 for (i = 1; i < sc->num_reqs; i++) {
1102 cm = &sc->commands[i];
1103 cm->cm_reply = NULL;
1106 if (cm->cm_flags & MPS_CM_FLAGS_POLLED)
1107 cm->cm_flags |= MPS_CM_FLAGS_COMPLETE;
1109 if (cm->cm_complete != NULL) {
1110 mpssas_log_command(cm, MPS_RECOVERY,
1111 "completing cm %p state %x ccb %p for diag reset\n",
1112 cm, cm->cm_state, cm->cm_ccb);
1114 cm->cm_complete(sc, cm);
1118 if (cm->cm_flags & MPS_CM_FLAGS_WAKEUP) {
1119 mpssas_log_command(cm, MPS_RECOVERY,
1120 "waking up cm %p state %x ccb %p for diag reset\n",
1121 cm, cm->cm_state, cm->cm_ccb);
1126 if ((completed == 0) && (cm->cm_state != MPS_CM_STATE_FREE)) {
1127 /* this should never happen, but if it does, log */
1128 mpssas_log_command(cm, MPS_RECOVERY,
1129 "cm %p state %x flags 0x%x ccb %p during diag "
1130 "reset\n", cm, cm->cm_state, cm->cm_flags,
1137 mpssas_handle_reinit(struct mps_softc *sc)
1141 /* Go back into startup mode and freeze the simq, so that CAM
1142 * doesn't send any commands until after we've rediscovered all
1143 * targets and found the proper device handles for them.
1145 * After the reset, portenable will trigger discovery, and after all
1146 * discovery-related activities have finished, the simq will be
1149 mps_dprint(sc, MPS_INIT, "%s startup\n", __func__);
1150 sc->sassc->flags |= MPSSAS_IN_STARTUP;
1151 sc->sassc->flags |= MPSSAS_IN_DISCOVERY;
1152 mpssas_startup_increment(sc->sassc);
1154 /* notify CAM of a bus reset */
1155 mpssas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD,
1158 /* complete and cleanup after all outstanding commands */
1159 mpssas_complete_all_commands(sc);
1161 mps_dprint(sc, MPS_INIT,
1162 "%s startup %u tm %u after command completion\n",
1163 __func__, sc->sassc->startup_refcount, sc->sassc->tm_count);
1165 /* zero all the target handles, since they may change after the
1166 * reset, and we have to rediscover all the targets and use the new
1169 for (i = 0; i < sc->sassc->maxtargets; i++) {
1170 if (sc->sassc->targets[i].outstanding != 0)
1171 mps_dprint(sc, MPS_INIT, "target %u outstanding %u\n",
1172 i, sc->sassc->targets[i].outstanding);
1173 sc->sassc->targets[i].handle = 0x0;
1174 sc->sassc->targets[i].exp_dev_handle = 0x0;
1175 sc->sassc->targets[i].outstanding = 0;
1176 sc->sassc->targets[i].flags = MPSSAS_TARGET_INDIAGRESET;
1181 mpssas_tm_timeout(void *data)
1183 struct mps_command *tm = data;
1184 struct mps_softc *sc = tm->cm_sc;
1186 mtx_assert(&sc->mps_mtx, MA_OWNED);
1188 mpssas_log_command(tm, MPS_INFO|MPS_RECOVERY,
1189 "task mgmt %p timed out\n", tm);
1194 mpssas_logical_unit_reset_complete(struct mps_softc *sc, struct mps_command *tm)
1196 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1197 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1198 unsigned int cm_count = 0;
1199 struct mps_command *cm;
1200 struct mpssas_target *targ;
1202 callout_stop(&tm->cm_callout);
1204 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1205 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1209 * Currently there should be no way we can hit this case. It only
1210 * happens when we have a failure to allocate chain frames, and
1211 * task management commands don't have S/G lists.
1212 * XXXSL So should it be an assertion?
1214 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1215 mps_dprint(sc, MPS_ERROR, "%s: cm_flags = %#x for LUN reset! "
1216 "This should not happen!\n", __func__, tm->cm_flags);
1217 mpssas_free_tm(sc, tm);
1221 if (reply == NULL) {
1222 mpssas_log_command(tm, MPS_RECOVERY,
1223 "NULL reset reply for tm %p\n", tm);
1224 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
1225 /* this completion was due to a reset, just cleanup */
1226 targ->flags &= ~MPSSAS_TARGET_INRESET;
1228 mpssas_free_tm(sc, tm);
1231 /* we should have gotten a reply. */
1237 mpssas_log_command(tm, MPS_RECOVERY,
1238 "logical unit reset status 0x%x code 0x%x count %u\n",
1239 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1240 le32toh(reply->TerminationCount));
1242 /* See if there are any outstanding commands for this LUN.
1243 * This could be made more efficient by using a per-LU data
1244 * structure of some sort.
1246 TAILQ_FOREACH(cm, &targ->commands, cm_link) {
1247 if (cm->cm_lun == tm->cm_lun)
1251 if (cm_count == 0) {
1252 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1253 "logical unit %u finished recovery after reset\n",
1256 mpssas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1259 /* we've finished recovery for this logical unit. check and
1260 * see if some other logical unit has a timedout command
1261 * that needs to be processed.
1263 cm = TAILQ_FIRST(&targ->timedout_commands);
1265 mpssas_send_abort(sc, tm, cm);
1269 mpssas_free_tm(sc, tm);
1273 /* if we still have commands for this LUN, the reset
1274 * effectively failed, regardless of the status reported.
1275 * Escalate to a target reset.
1277 mpssas_log_command(tm, MPS_RECOVERY,
1278 "logical unit reset complete for tm %p, but still have %u command(s)\n",
1280 mpssas_send_reset(sc, tm,
1281 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1286 mpssas_target_reset_complete(struct mps_softc *sc, struct mps_command *tm)
1288 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1289 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1290 struct mpssas_target *targ;
1292 callout_stop(&tm->cm_callout);
1294 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1295 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1299 * Currently there should be no way we can hit this case. It only
1300 * happens when we have a failure to allocate chain frames, and
1301 * task management commands don't have S/G lists.
1303 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1304 mps_dprint(sc, MPS_ERROR,"%s: cm_flags = %#x for target reset! "
1305 "This should not happen!\n", __func__, tm->cm_flags);
1306 mpssas_free_tm(sc, tm);
1310 if (reply == NULL) {
1311 mpssas_log_command(tm, MPS_RECOVERY,
1312 "NULL reset reply for tm %p\n", tm);
1313 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
1314 /* this completion was due to a reset, just cleanup */
1315 targ->flags &= ~MPSSAS_TARGET_INRESET;
1317 mpssas_free_tm(sc, tm);
1320 /* we should have gotten a reply. */
1326 mpssas_log_command(tm, MPS_RECOVERY,
1327 "target reset status 0x%x code 0x%x count %u\n",
1328 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1329 le32toh(reply->TerminationCount));
1331 targ->flags &= ~MPSSAS_TARGET_INRESET;
1333 if (targ->outstanding == 0) {
1334 /* we've finished recovery for this target and all
1335 * of its logical units.
1337 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1338 "recovery finished after target reset\n");
1340 mpssas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1344 mpssas_free_tm(sc, tm);
1347 /* after a target reset, if this target still has
1348 * outstanding commands, the reset effectively failed,
1349 * regardless of the status reported. escalate.
1351 mpssas_log_command(tm, MPS_RECOVERY,
1352 "target reset complete for tm %p, but still have %u command(s)\n",
1353 tm, targ->outstanding);
1358 #define MPS_RESET_TIMEOUT 30
1361 mpssas_send_reset(struct mps_softc *sc, struct mps_command *tm, uint8_t type)
1363 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1364 struct mpssas_target *target;
1367 target = tm->cm_targ;
1368 if (target->handle == 0) {
1369 mps_dprint(sc, MPS_ERROR,"%s null devhandle for target_id %d\n",
1370 __func__, target->tid);
1374 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1375 req->DevHandle = htole16(target->handle);
1376 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1377 req->TaskType = type;
1379 if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) {
1380 /* XXX Need to handle invalid LUNs */
1381 MPS_SET_LUN(req->LUN, tm->cm_lun);
1382 tm->cm_targ->logical_unit_resets++;
1383 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1384 "sending logical unit reset\n");
1385 tm->cm_complete = mpssas_logical_unit_reset_complete;
1387 else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) {
1388 /* Target reset method = SAS Hard Link Reset / SATA Link Reset */
1389 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
1390 tm->cm_targ->target_resets++;
1391 tm->cm_targ->flags |= MPSSAS_TARGET_INRESET;
1392 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1393 "sending target reset\n");
1394 tm->cm_complete = mpssas_target_reset_complete;
1397 mps_dprint(sc, MPS_ERROR, "unexpected reset type 0x%x\n", type);
1402 tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1403 tm->cm_complete_data = (void *)tm;
1405 callout_reset(&tm->cm_callout, MPS_RESET_TIMEOUT * hz,
1406 mpssas_tm_timeout, tm);
1408 err = mps_map_command(sc, tm);
1410 mpssas_log_command(tm, MPS_RECOVERY,
1411 "error %d sending reset type %u\n",
1419 mpssas_abort_complete(struct mps_softc *sc, struct mps_command *tm)
1421 struct mps_command *cm;
1422 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1423 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1424 struct mpssas_target *targ;
1426 callout_stop(&tm->cm_callout);
1428 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1429 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1433 * Currently there should be no way we can hit this case. It only
1434 * happens when we have a failure to allocate chain frames, and
1435 * task management commands don't have S/G lists.
1437 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1438 mpssas_log_command(tm, MPS_RECOVERY,
1439 "cm_flags = %#x for abort %p TaskMID %u!\n",
1440 tm->cm_flags, tm, le16toh(req->TaskMID));
1441 mpssas_free_tm(sc, tm);
1445 if (reply == NULL) {
1446 mpssas_log_command(tm, MPS_RECOVERY,
1447 "NULL abort reply for tm %p TaskMID %u\n",
1448 tm, le16toh(req->TaskMID));
1449 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
1450 /* this completion was due to a reset, just cleanup */
1452 mpssas_free_tm(sc, tm);
1455 /* we should have gotten a reply. */
1461 mpssas_log_command(tm, MPS_RECOVERY,
1462 "abort TaskMID %u status 0x%x code 0x%x count %u\n",
1463 le16toh(req->TaskMID),
1464 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1465 le32toh(reply->TerminationCount));
1467 cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands);
1469 /* if there are no more timedout commands, we're done with
1470 * error recovery for this target.
1472 mpssas_log_command(tm, MPS_RECOVERY,
1473 "finished recovery after aborting TaskMID %u\n",
1474 le16toh(req->TaskMID));
1477 mpssas_free_tm(sc, tm);
1479 else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) {
1480 /* abort success, but we have more timedout commands to abort */
1481 mpssas_log_command(tm, MPS_RECOVERY,
1482 "continuing recovery after aborting TaskMID %u\n",
1483 le16toh(req->TaskMID));
1485 mpssas_send_abort(sc, tm, cm);
1488 /* we didn't get a command completion, so the abort
1489 * failed as far as we're concerned. escalate.
1491 mpssas_log_command(tm, MPS_RECOVERY,
1492 "abort failed for TaskMID %u tm %p\n",
1493 le16toh(req->TaskMID), tm);
1495 mpssas_send_reset(sc, tm,
1496 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET);
1500 #define MPS_ABORT_TIMEOUT 5
1503 mpssas_send_abort(struct mps_softc *sc, struct mps_command *tm, struct mps_command *cm)
1505 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1506 struct mpssas_target *targ;
1510 if (targ->handle == 0) {
1511 mps_dprint(sc, MPS_ERROR,"%s null devhandle for target_id %d\n",
1512 __func__, cm->cm_ccb->ccb_h.target_id);
1516 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1517 "Aborting command %p\n", cm);
1519 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1520 req->DevHandle = htole16(targ->handle);
1521 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1522 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK;
1524 /* XXX Need to handle invalid LUNs */
1525 MPS_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun);
1527 req->TaskMID = htole16(cm->cm_desc.Default.SMID);
1530 tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1531 tm->cm_complete = mpssas_abort_complete;
1532 tm->cm_complete_data = (void *)tm;
1533 tm->cm_targ = cm->cm_targ;
1534 tm->cm_lun = cm->cm_lun;
1536 callout_reset(&tm->cm_callout, MPS_ABORT_TIMEOUT * hz,
1537 mpssas_tm_timeout, tm);
1541 err = mps_map_command(sc, tm);
1543 mpssas_log_command(tm, MPS_RECOVERY,
1544 "error %d sending abort for cm %p SMID %u\n",
1545 err, cm, req->TaskMID);
1551 mpssas_scsiio_timeout(void *data)
1553 struct mps_softc *sc;
1554 struct mps_command *cm;
1555 struct mpssas_target *targ;
1557 cm = (struct mps_command *)data;
1561 mtx_assert(&sc->mps_mtx, MA_OWNED);
1563 mps_dprint(sc, MPS_XINFO, "Timeout checking cm %p\n", sc);
1566 * Run the interrupt handler to make sure it's not pending. This
1567 * isn't perfect because the command could have already completed
1568 * and been re-used, though this is unlikely.
1570 mps_intr_locked(sc);
1571 if (cm->cm_state == MPS_CM_STATE_FREE) {
1572 mpssas_log_command(cm, MPS_XINFO,
1573 "SCSI command %p almost timed out\n", cm);
1577 if (cm->cm_ccb == NULL) {
1578 mps_dprint(sc, MPS_ERROR, "command timeout with NULL ccb\n");
1582 mpssas_log_command(cm, MPS_INFO, "command timeout cm %p ccb %p\n",
1588 /* XXX first, check the firmware state, to see if it's still
1589 * operational. if not, do a diag reset.
1591 mpssas_set_ccbstatus(cm->cm_ccb, CAM_CMD_TIMEOUT);
1592 cm->cm_state = MPS_CM_STATE_TIMEDOUT;
1593 TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery);
1595 if (targ->tm != NULL) {
1596 /* target already in recovery, just queue up another
1597 * timedout command to be processed later.
1599 mps_dprint(sc, MPS_RECOVERY,
1600 "queued timedout cm %p for processing by tm %p\n",
1603 else if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) {
1604 mps_dprint(sc, MPS_RECOVERY, "timedout cm %p allocated tm %p\n",
1607 /* start recovery by aborting the first timedout command */
1608 mpssas_send_abort(sc, targ->tm, cm);
1611 /* XXX queue this target up for recovery once a TM becomes
1612 * available. The firmware only has a limited number of
1613 * HighPriority credits for the high priority requests used
1614 * for task management, and we ran out.
1616 * Isilon: don't worry about this for now, since we have
1617 * more credits than disks in an enclosure, and limit
1618 * ourselves to one TM per target for recovery.
1620 mps_dprint(sc, MPS_RECOVERY,
1621 "timedout cm %p failed to allocate a tm\n", cm);
1627 mpssas_action_scsiio(struct mpssas_softc *sassc, union ccb *ccb)
1629 MPI2_SCSI_IO_REQUEST *req;
1630 struct ccb_scsiio *csio;
1631 struct mps_softc *sc;
1632 struct mpssas_target *targ;
1633 struct mpssas_lun *lun;
1634 struct mps_command *cm;
1635 uint8_t i, lba_byte, *ref_tag_addr;
1636 uint16_t eedp_flags;
1637 uint32_t mpi_control;
1641 mtx_assert(&sc->mps_mtx, MA_OWNED);
1644 KASSERT(csio->ccb_h.target_id < sassc->maxtargets,
1645 ("Target %d out of bounds in XPT_SCSI_IO\n",
1646 csio->ccb_h.target_id));
1647 targ = &sassc->targets[csio->ccb_h.target_id];
1648 mps_dprint(sc, MPS_TRACE, "ccb %p target flag %x\n", ccb, targ->flags);
1649 if (targ->handle == 0x0) {
1650 mps_dprint(sc, MPS_ERROR, "%s NULL handle for target %u\n",
1651 __func__, csio->ccb_h.target_id);
1652 mpssas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
1656 if (targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT) {
1657 mps_dprint(sc, MPS_ERROR, "%s Raid component no SCSI IO "
1658 "supported %u\n", __func__, csio->ccb_h.target_id);
1659 mpssas_set_ccbstatus(ccb, CAM_TID_INVALID);
1664 * Sometimes, it is possible to get a command that is not "In
1665 * Progress" and was actually aborted by the upper layer. Check for
1666 * this here and complete the command without error.
1668 if (mpssas_get_ccbstatus(ccb) != CAM_REQ_INPROG) {
1669 mps_dprint(sc, MPS_TRACE, "%s Command is not in progress for "
1670 "target %u\n", __func__, csio->ccb_h.target_id);
1675 * If devinfo is 0 this will be a volume. In that case don't tell CAM
1676 * that the volume has timed out. We want volumes to be enumerated
1677 * until they are deleted/removed, not just failed.
1679 if (targ->flags & MPSSAS_TARGET_INREMOVAL) {
1680 if (targ->devinfo == 0)
1681 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1683 mpssas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
1688 if ((sc->mps_flags & MPS_FLAGS_SHUTDOWN) != 0) {
1689 mps_dprint(sc, MPS_INFO, "%s shutting down\n", __func__);
1690 mpssas_set_ccbstatus(ccb, CAM_TID_INVALID);
1695 cm = mps_alloc_command(sc);
1697 if ((sassc->flags & MPSSAS_QUEUE_FROZEN) == 0) {
1698 xpt_freeze_simq(sassc->sim, 1);
1699 sassc->flags |= MPSSAS_QUEUE_FROZEN;
1701 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1702 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1707 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req;
1708 bzero(req, sizeof(*req));
1709 req->DevHandle = htole16(targ->handle);
1710 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1712 req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr);
1713 req->SenseBufferLength = MPS_SENSE_LEN;
1715 req->ChainOffset = 0;
1716 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */
1721 req->DataLength = htole32(csio->dxfer_len);
1722 req->BidirectionalDataLength = 0;
1723 req->IoFlags = htole16(csio->cdb_len);
1726 /* Note: BiDirectional transfers are not supported */
1727 switch (csio->ccb_h.flags & CAM_DIR_MASK) {
1729 mpi_control = MPI2_SCSIIO_CONTROL_READ;
1730 cm->cm_flags |= MPS_CM_FLAGS_DATAIN;
1733 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
1734 cm->cm_flags |= MPS_CM_FLAGS_DATAOUT;
1738 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
1742 if (csio->cdb_len == 32)
1743 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
1745 * It looks like the hardware doesn't require an explicit tag
1746 * number for each transaction. SAM Task Management not supported
1749 switch (csio->tag_action) {
1750 case MSG_HEAD_OF_Q_TAG:
1751 mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ;
1753 case MSG_ORDERED_Q_TAG:
1754 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
1757 mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ;
1759 case CAM_TAG_ACTION_NONE:
1760 case MSG_SIMPLE_Q_TAG:
1762 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
1765 mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits;
1766 req->Control = htole32(mpi_control);
1767 if (MPS_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) {
1768 mps_free_command(sc, cm);
1769 mpssas_set_ccbstatus(ccb, CAM_LUN_INVALID);
1774 if (csio->ccb_h.flags & CAM_CDB_POINTER)
1775 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len);
1777 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len);
1778 req->IoFlags = htole16(csio->cdb_len);
1781 * Check if EEDP is supported and enabled. If it is then check if the
1782 * SCSI opcode could be using EEDP. If so, make sure the LUN exists and
1783 * is formatted for EEDP support. If all of this is true, set CDB up
1784 * for EEDP transfer.
1786 eedp_flags = op_code_prot[req->CDB.CDB32[0]];
1787 if (sc->eedp_enabled && eedp_flags) {
1788 SLIST_FOREACH(lun, &targ->luns, lun_link) {
1789 if (lun->lun_id == csio->ccb_h.target_lun) {
1794 if ((lun != NULL) && (lun->eedp_formatted)) {
1795 req->EEDPBlockSize = htole16(lun->eedp_block_size);
1796 eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
1797 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
1798 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD);
1799 req->EEDPFlags = htole16(eedp_flags);
1802 * If CDB less than 32, fill in Primary Ref Tag with
1803 * low 4 bytes of LBA. If CDB is 32, tag stuff is
1804 * already there. Also, set protection bit. FreeBSD
1805 * currently does not support CDBs bigger than 16, but
1806 * the code doesn't hurt, and will be here for the
1809 if (csio->cdb_len != 32) {
1810 lba_byte = (csio->cdb_len == 16) ? 6 : 2;
1811 ref_tag_addr = (uint8_t *)&req->CDB.EEDP32.
1812 PrimaryReferenceTag;
1813 for (i = 0; i < 4; i++) {
1815 req->CDB.CDB32[lba_byte + i];
1818 req->CDB.EEDP32.PrimaryReferenceTag =
1819 htole32(req->CDB.EEDP32.PrimaryReferenceTag);
1820 req->CDB.EEDP32.PrimaryApplicationTagMask =
1822 req->CDB.CDB32[1] = (req->CDB.CDB32[1] & 0x1F) |
1826 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG;
1827 req->EEDPFlags = htole16(eedp_flags);
1828 req->CDB.CDB32[10] = (req->CDB.CDB32[10] &
1834 cm->cm_length = csio->dxfer_len;
1835 if (cm->cm_length != 0) {
1837 cm->cm_flags |= MPS_CM_FLAGS_USE_CCB;
1841 cm->cm_sge = &req->SGL;
1842 cm->cm_sglsize = (32 - 24) * 4;
1843 cm->cm_desc.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1844 cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle);
1845 cm->cm_complete = mpssas_scsiio_complete;
1846 cm->cm_complete_data = ccb;
1848 cm->cm_lun = csio->ccb_h.target_lun;
1852 * If HBA is a WD and the command is not for a retry, try to build a
1853 * direct I/O message. If failed, or the command is for a retry, send
1854 * the I/O to the IR volume itself.
1856 if (sc->WD_valid_config) {
1857 if (ccb->ccb_h.sim_priv.entries[0].field == MPS_WD_RETRY) {
1858 mpssas_direct_drive_io(sassc, cm, ccb);
1860 mpssas_set_ccbstatus(ccb, CAM_REQ_INPROG);
1864 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000,
1865 mpssas_scsiio_timeout, cm);
1868 targ->outstanding++;
1869 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link);
1870 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1872 mpssas_log_command(cm, MPS_XINFO, "%s cm %p ccb %p outstanding %u\n",
1873 __func__, cm, ccb, targ->outstanding);
1875 mps_map_command(sc, cm);
1880 mps_response_code(struct mps_softc *sc, u8 response_code)
1884 switch (response_code) {
1885 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1886 desc = "task management request completed";
1888 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1889 desc = "invalid frame";
1891 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1892 desc = "task management request not supported";
1894 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1895 desc = "task management request failed";
1897 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1898 desc = "task management request succeeded";
1900 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1901 desc = "invalid lun";
1904 desc = "overlapped tag attempted";
1906 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1907 desc = "task queued, however not sent to target";
1913 mps_dprint(sc, MPS_XINFO, "response_code(0x%01x): %s\n",
1914 response_code, desc);
1917 * mps_sc_failed_io_info - translated non-succesfull SCSI_IO request
1920 mps_sc_failed_io_info(struct mps_softc *sc, struct ccb_scsiio *csio,
1921 Mpi2SCSIIOReply_t *mpi_reply)
1925 u16 ioc_status = le16toh(mpi_reply->IOCStatus) &
1926 MPI2_IOCSTATUS_MASK;
1927 u8 scsi_state = mpi_reply->SCSIState;
1928 u8 scsi_status = mpi_reply->SCSIStatus;
1929 char *desc_ioc_state = NULL;
1930 char *desc_scsi_status = NULL;
1931 char *desc_scsi_state = sc->tmp_string;
1932 u32 log_info = le32toh(mpi_reply->IOCLogInfo);
1934 if (log_info == 0x31170000)
1937 switch (ioc_status) {
1938 case MPI2_IOCSTATUS_SUCCESS:
1939 desc_ioc_state = "success";
1941 case MPI2_IOCSTATUS_INVALID_FUNCTION:
1942 desc_ioc_state = "invalid function";
1944 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
1945 desc_ioc_state = "scsi recovered error";
1947 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
1948 desc_ioc_state = "scsi invalid dev handle";
1950 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
1951 desc_ioc_state = "scsi device not there";
1953 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
1954 desc_ioc_state = "scsi data overrun";
1956 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
1957 desc_ioc_state = "scsi data underrun";
1959 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
1960 desc_ioc_state = "scsi io data error";
1962 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1963 desc_ioc_state = "scsi protocol error";
1965 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
1966 desc_ioc_state = "scsi task terminated";
1968 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
1969 desc_ioc_state = "scsi residual mismatch";
1971 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
1972 desc_ioc_state = "scsi task mgmt failed";
1974 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
1975 desc_ioc_state = "scsi ioc terminated";
1977 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
1978 desc_ioc_state = "scsi ext terminated";
1980 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
1981 desc_ioc_state = "eedp guard error";
1983 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
1984 desc_ioc_state = "eedp ref tag error";
1986 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
1987 desc_ioc_state = "eedp app tag error";
1990 desc_ioc_state = "unknown";
1994 switch (scsi_status) {
1995 case MPI2_SCSI_STATUS_GOOD:
1996 desc_scsi_status = "good";
1998 case MPI2_SCSI_STATUS_CHECK_CONDITION:
1999 desc_scsi_status = "check condition";
2001 case MPI2_SCSI_STATUS_CONDITION_MET:
2002 desc_scsi_status = "condition met";
2004 case MPI2_SCSI_STATUS_BUSY:
2005 desc_scsi_status = "busy";
2007 case MPI2_SCSI_STATUS_INTERMEDIATE:
2008 desc_scsi_status = "intermediate";
2010 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
2011 desc_scsi_status = "intermediate condmet";
2013 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
2014 desc_scsi_status = "reservation conflict";
2016 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
2017 desc_scsi_status = "command terminated";
2019 case MPI2_SCSI_STATUS_TASK_SET_FULL:
2020 desc_scsi_status = "task set full";
2022 case MPI2_SCSI_STATUS_ACA_ACTIVE:
2023 desc_scsi_status = "aca active";
2025 case MPI2_SCSI_STATUS_TASK_ABORTED:
2026 desc_scsi_status = "task aborted";
2029 desc_scsi_status = "unknown";
2033 desc_scsi_state[0] = '\0';
2035 desc_scsi_state = " ";
2036 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
2037 strcat(desc_scsi_state, "response info ");
2038 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
2039 strcat(desc_scsi_state, "state terminated ");
2040 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
2041 strcat(desc_scsi_state, "no status ");
2042 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
2043 strcat(desc_scsi_state, "autosense failed ");
2044 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
2045 strcat(desc_scsi_state, "autosense valid ");
2047 mps_dprint(sc, MPS_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n",
2048 le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status);
2049 /* We can add more detail about underflow data here
2052 mps_dprint(sc, MPS_XINFO, "\tscsi_status(%s)(0x%02x), "
2053 "scsi_state(%s)(0x%02x)\n", desc_scsi_status, scsi_status,
2054 desc_scsi_state, scsi_state);
2056 if (sc->mps_debug & MPS_XINFO &&
2057 scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2058 mps_dprint(sc, MPS_XINFO, "-> Sense Buffer Data : Start :\n");
2059 scsi_sense_print(csio);
2060 mps_dprint(sc, MPS_XINFO, "-> Sense Buffer Data : End :\n");
2063 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
2064 response_info = le32toh(mpi_reply->ResponseInfo);
2065 response_bytes = (u8 *)&response_info;
2066 mps_response_code(sc,response_bytes[0]);
2071 mpssas_scsiio_complete(struct mps_softc *sc, struct mps_command *cm)
2073 MPI2_SCSI_IO_REPLY *rep;
2075 struct ccb_scsiio *csio;
2076 struct mpssas_softc *sassc;
2077 struct scsi_vpd_supported_page_list *vpd_list = NULL;
2078 u8 *TLR_bits, TLR_on;
2083 mps_dprint(sc, MPS_TRACE,
2084 "cm %p SMID %u ccb %p reply %p outstanding %u\n", cm,
2085 cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply,
2086 cm->cm_targ->outstanding);
2088 callout_stop(&cm->cm_callout);
2089 mtx_assert(&sc->mps_mtx, MA_OWNED);
2092 ccb = cm->cm_complete_data;
2094 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply;
2096 * XXX KDM if the chain allocation fails, does it matter if we do
2097 * the sync and unload here? It is simpler to do it in every case,
2098 * assuming it doesn't cause problems.
2100 if (cm->cm_data != NULL) {
2101 if (cm->cm_flags & MPS_CM_FLAGS_DATAIN)
2102 dir = BUS_DMASYNC_POSTREAD;
2103 else if (cm->cm_flags & MPS_CM_FLAGS_DATAOUT)
2104 dir = BUS_DMASYNC_POSTWRITE;
2105 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir);
2106 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2109 cm->cm_targ->completed++;
2110 cm->cm_targ->outstanding--;
2111 TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link);
2112 ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED);
2114 if (cm->cm_state == MPS_CM_STATE_TIMEDOUT) {
2115 TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery);
2116 if (cm->cm_reply != NULL)
2117 mpssas_log_command(cm, MPS_RECOVERY,
2118 "completed timedout cm %p ccb %p during recovery "
2119 "ioc %x scsi %x state %x xfer %u\n",
2121 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2122 le32toh(rep->TransferCount));
2124 mpssas_log_command(cm, MPS_RECOVERY,
2125 "completed timedout cm %p ccb %p during recovery\n",
2127 } else if (cm->cm_targ->tm != NULL) {
2128 if (cm->cm_reply != NULL)
2129 mpssas_log_command(cm, MPS_RECOVERY,
2130 "completed cm %p ccb %p during recovery "
2131 "ioc %x scsi %x state %x xfer %u\n",
2133 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2134 le32toh(rep->TransferCount));
2136 mpssas_log_command(cm, MPS_RECOVERY,
2137 "completed cm %p ccb %p during recovery\n",
2139 } else if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
2140 mpssas_log_command(cm, MPS_RECOVERY,
2141 "reset completed cm %p ccb %p\n",
2145 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
2147 * We ran into an error after we tried to map the command,
2148 * so we're getting a callback without queueing the command
2149 * to the hardware. So we set the status here, and it will
2150 * be retained below. We'll go through the "fast path",
2151 * because there can be no reply when we haven't actually
2152 * gone out to the hardware.
2154 mpssas_set_ccbstatus(ccb, CAM_REQUEUE_REQ);
2157 * Currently the only error included in the mask is
2158 * MPS_CM_FLAGS_CHAIN_FAILED, which means we're out of
2159 * chain frames. We need to freeze the queue until we get
2160 * a command that completed without this error, which will
2161 * hopefully have some chain frames attached that we can
2162 * use. If we wanted to get smarter about it, we would
2163 * only unfreeze the queue in this condition when we're
2164 * sure that we're getting some chain frames back. That's
2165 * probably unnecessary.
2167 if ((sassc->flags & MPSSAS_QUEUE_FROZEN) == 0) {
2168 xpt_freeze_simq(sassc->sim, 1);
2169 sassc->flags |= MPSSAS_QUEUE_FROZEN;
2170 mps_dprint(sc, MPS_XINFO, "Error sending command, "
2171 "freezing SIM queue\n");
2175 /* Take the fast path to completion */
2176 if (cm->cm_reply == NULL) {
2177 if (mpssas_get_ccbstatus(ccb) == CAM_REQ_INPROG) {
2178 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0)
2179 mpssas_set_ccbstatus(ccb, CAM_SCSI_BUS_RESET);
2181 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2182 ccb->csio.scsi_status = SCSI_STATUS_OK;
2184 if (sassc->flags & MPSSAS_QUEUE_FROZEN) {
2185 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2186 sassc->flags &= ~MPSSAS_QUEUE_FROZEN;
2187 mps_dprint(sc, MPS_XINFO,
2188 "Unfreezing SIM queue\n");
2193 * There are two scenarios where the status won't be
2194 * CAM_REQ_CMP. The first is if MPS_CM_FLAGS_ERROR_MASK is
2195 * set, the second is in the MPS_FLAGS_DIAGRESET above.
2197 if (mpssas_get_ccbstatus(ccb) != CAM_REQ_CMP) {
2199 * Freeze the dev queue so that commands are
2200 * executed in the correct order after error
2203 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2204 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2206 mps_free_command(sc, cm);
2211 mpssas_log_command(cm, MPS_XINFO,
2212 "ioc %x scsi %x state %x xfer %u\n",
2213 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2214 le32toh(rep->TransferCount));
2217 * If this is a Direct Drive I/O, reissue the I/O to the original IR
2218 * Volume if an error occurred (normal I/O retry). Use the original
2219 * CCB, but set a flag that this will be a retry so that it's sent to
2220 * the original volume. Free the command but reuse the CCB.
2222 if (cm->cm_flags & MPS_CM_FLAGS_DD_IO) {
2223 mps_free_command(sc, cm);
2224 ccb->ccb_h.sim_priv.entries[0].field = MPS_WD_RETRY;
2225 mpssas_action_scsiio(sassc, ccb);
2228 ccb->ccb_h.sim_priv.entries[0].field = 0;
2230 switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) {
2231 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
2232 csio->resid = cm->cm_length - le32toh(rep->TransferCount);
2234 case MPI2_IOCSTATUS_SUCCESS:
2235 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
2237 if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
2238 MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR)
2239 mpssas_log_command(cm, MPS_XINFO, "recovered error\n");
2241 /* Completion failed at the transport level. */
2242 if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS |
2243 MPI2_SCSI_STATE_TERMINATED)) {
2244 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2248 /* In a modern packetized environment, an autosense failure
2249 * implies that there's not much else that can be done to
2250 * recover the command.
2252 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) {
2253 mpssas_set_ccbstatus(ccb, CAM_AUTOSENSE_FAIL);
2258 * CAM doesn't care about SAS Response Info data, but if this is
2259 * the state check if TLR should be done. If not, clear the
2260 * TLR_bits for the target.
2262 if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) &&
2263 ((le32toh(rep->ResponseInfo) & MPI2_SCSI_RI_MASK_REASONCODE) ==
2264 MPS_SCSI_RI_INVALID_FRAME)) {
2265 sc->mapping_table[csio->ccb_h.target_id].TLR_bits =
2266 (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2270 * Intentionally override the normal SCSI status reporting
2271 * for these two cases. These are likely to happen in a
2272 * multi-initiator environment, and we want to make sure that
2273 * CAM retries these commands rather than fail them.
2275 if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) ||
2276 (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) {
2277 mpssas_set_ccbstatus(ccb, CAM_REQ_ABORTED);
2281 /* Handle normal status and sense */
2282 csio->scsi_status = rep->SCSIStatus;
2283 if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD)
2284 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2286 mpssas_set_ccbstatus(ccb, CAM_SCSI_STATUS_ERROR);
2288 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2289 int sense_len, returned_sense_len;
2291 returned_sense_len = min(le32toh(rep->SenseCount),
2292 sizeof(struct scsi_sense_data));
2293 if (returned_sense_len < ccb->csio.sense_len)
2294 ccb->csio.sense_resid = ccb->csio.sense_len -
2297 ccb->csio.sense_resid = 0;
2299 sense_len = min(returned_sense_len,
2300 ccb->csio.sense_len - ccb->csio.sense_resid);
2301 bzero(&ccb->csio.sense_data,
2302 sizeof(ccb->csio.sense_data));
2303 bcopy(cm->cm_sense, &ccb->csio.sense_data, sense_len);
2304 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2308 * Check if this is an INQUIRY command. If it's a VPD inquiry,
2309 * and it's page code 0 (Supported Page List), and there is
2310 * inquiry data, and this is for a sequential access device, and
2311 * the device is an SSP target, and TLR is supported by the
2312 * controller, turn the TLR_bits value ON if page 0x90 is
2315 if ((csio->cdb_io.cdb_bytes[0] == INQUIRY) &&
2316 (csio->cdb_io.cdb_bytes[1] & SI_EVPD) &&
2317 (csio->cdb_io.cdb_bytes[2] == SVPD_SUPPORTED_PAGE_LIST) &&
2318 ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) &&
2319 (csio->data_ptr != NULL) &&
2320 ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) &&
2321 (sc->control_TLR) &&
2322 (sc->mapping_table[csio->ccb_h.target_id].device_info &
2323 MPI2_SAS_DEVICE_INFO_SSP_TARGET)) {
2324 vpd_list = (struct scsi_vpd_supported_page_list *)
2326 TLR_bits = &sc->mapping_table[csio->ccb_h.target_id].
2328 *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2329 TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON;
2330 alloc_len = ((u16)csio->cdb_io.cdb_bytes[3] << 8) +
2331 csio->cdb_io.cdb_bytes[4];
2332 alloc_len -= csio->resid;
2333 for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) {
2334 if (vpd_list->list[i] == 0x90) {
2341 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
2342 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2344 * If devinfo is 0 this will be a volume. In that case don't
2345 * tell CAM that the volume is not there. We want volumes to
2346 * be enumerated until they are deleted/removed, not just
2349 if (cm->cm_targ->devinfo == 0)
2350 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2352 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
2354 case MPI2_IOCSTATUS_INVALID_SGL:
2355 mps_print_scsiio_cmd(sc, cm);
2356 mpssas_set_ccbstatus(ccb, CAM_UNREC_HBA_ERROR);
2358 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2360 * This is one of the responses that comes back when an I/O
2361 * has been aborted. If it is because of a timeout that we
2362 * initiated, just set the status to CAM_CMD_TIMEOUT.
2363 * Otherwise set it to CAM_REQ_ABORTED. The effect on the
2364 * command is the same (it gets retried, subject to the
2365 * retry counter), the only difference is what gets printed
2368 if (cm->cm_state == MPS_CM_STATE_TIMEDOUT)
2369 mpssas_set_ccbstatus(ccb, CAM_CMD_TIMEOUT);
2371 mpssas_set_ccbstatus(ccb, CAM_REQ_ABORTED);
2373 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
2374 /* resid is ignored for this condition */
2376 mpssas_set_ccbstatus(ccb, CAM_DATA_RUN_ERR);
2378 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2379 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2381 * Since these are generally external (i.e. hopefully
2382 * transient transport-related) errors, retry these without
2383 * decrementing the retry count.
2385 mpssas_set_ccbstatus(ccb, CAM_REQUEUE_REQ);
2386 mpssas_log_command(cm, MPS_INFO,
2387 "terminated ioc %x scsi %x state %x xfer %u\n",
2388 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2389 le32toh(rep->TransferCount));
2391 case MPI2_IOCSTATUS_INVALID_FUNCTION:
2392 case MPI2_IOCSTATUS_INTERNAL_ERROR:
2393 case MPI2_IOCSTATUS_INVALID_VPID:
2394 case MPI2_IOCSTATUS_INVALID_FIELD:
2395 case MPI2_IOCSTATUS_INVALID_STATE:
2396 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
2397 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2398 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2399 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2400 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2402 mpssas_log_command(cm, MPS_XINFO,
2403 "completed ioc %x scsi %x state %x xfer %u\n",
2404 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2405 le32toh(rep->TransferCount));
2406 csio->resid = cm->cm_length;
2407 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2411 mps_sc_failed_io_info(sc,csio,rep);
2413 if (sassc->flags & MPSSAS_QUEUE_FROZEN) {
2414 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2415 sassc->flags &= ~MPSSAS_QUEUE_FROZEN;
2416 mps_dprint(sc, MPS_XINFO, "Command completed, "
2417 "unfreezing SIM queue\n");
2420 if (mpssas_get_ccbstatus(ccb) != CAM_REQ_CMP) {
2421 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2422 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2425 mps_free_command(sc, cm);
2429 /* All Request reached here are Endian safe */
2431 mpssas_direct_drive_io(struct mpssas_softc *sassc, struct mps_command *cm,
2433 pMpi2SCSIIORequest_t pIO_req;
2434 struct mps_softc *sc = sassc->sc;
2436 uint32_t physLBA, stripe_offset, stripe_unit;
2437 uint32_t io_size, column;
2438 uint8_t *ptrLBA, lba_idx, physLBA_byte, *CDB;
2441 * If this is a valid SCSI command (Read6, Read10, Read16, Write6,
2442 * Write10, or Write16), build a direct I/O message. Otherwise, the I/O
2443 * will be sent to the IR volume itself. Since Read6 and Write6 are a
2444 * bit different than the 10/16 CDBs, handle them separately.
2446 pIO_req = (pMpi2SCSIIORequest_t)cm->cm_req;
2447 CDB = pIO_req->CDB.CDB32;
2450 * Handle 6 byte CDBs.
2452 if ((pIO_req->DevHandle == sc->DD_dev_handle) && ((CDB[0] == READ_6) ||
2453 (CDB[0] == WRITE_6))) {
2455 * Get the transfer size in blocks.
2457 io_size = (cm->cm_length >> sc->DD_block_exponent);
2460 * Get virtual LBA given in the CDB.
2462 virtLBA = ((uint64_t)(CDB[1] & 0x1F) << 16) |
2463 ((uint64_t)CDB[2] << 8) | (uint64_t)CDB[3];
2466 * Check that LBA range for I/O does not exceed volume's
2469 if ((virtLBA + (uint64_t)io_size - 1) <=
2472 * Check if the I/O crosses a stripe boundary. If not,
2473 * translate the virtual LBA to a physical LBA and set
2474 * the DevHandle for the PhysDisk to be used. If it
2475 * does cross a boundry, do normal I/O. To get the
2476 * right DevHandle to use, get the map number for the
2477 * column, then use that map number to look up the
2478 * DevHandle of the PhysDisk.
2480 stripe_offset = (uint32_t)virtLBA &
2481 (sc->DD_stripe_size - 1);
2482 if ((stripe_offset + io_size) <= sc->DD_stripe_size) {
2483 physLBA = (uint32_t)virtLBA >>
2484 sc->DD_stripe_exponent;
2485 stripe_unit = physLBA / sc->DD_num_phys_disks;
2486 column = physLBA % sc->DD_num_phys_disks;
2487 pIO_req->DevHandle =
2488 htole16(sc->DD_column_map[column].dev_handle);
2489 /* ???? Is this endian safe*/
2490 cm->cm_desc.SCSIIO.DevHandle =
2493 physLBA = (stripe_unit <<
2494 sc->DD_stripe_exponent) + stripe_offset;
2495 ptrLBA = &pIO_req->CDB.CDB32[1];
2496 physLBA_byte = (uint8_t)(physLBA >> 16);
2497 *ptrLBA = physLBA_byte;
2498 ptrLBA = &pIO_req->CDB.CDB32[2];
2499 physLBA_byte = (uint8_t)(physLBA >> 8);
2500 *ptrLBA = physLBA_byte;
2501 ptrLBA = &pIO_req->CDB.CDB32[3];
2502 physLBA_byte = (uint8_t)physLBA;
2503 *ptrLBA = physLBA_byte;
2506 * Set flag that Direct Drive I/O is
2509 cm->cm_flags |= MPS_CM_FLAGS_DD_IO;
2516 * Handle 10, 12 or 16 byte CDBs.
2518 if ((pIO_req->DevHandle == sc->DD_dev_handle) && ((CDB[0] == READ_10) ||
2519 (CDB[0] == WRITE_10) || (CDB[0] == READ_16) ||
2520 (CDB[0] == WRITE_16) || (CDB[0] == READ_12) ||
2521 (CDB[0] == WRITE_12))) {
2523 * For 16-byte CDB's, verify that the upper 4 bytes of the CDB
2524 * are 0. If not, this is accessing beyond 2TB so handle it in
2525 * the else section. 10-byte and 12-byte CDB's are OK.
2526 * FreeBSD sends very rare 12 byte READ/WRITE, but driver is
2527 * ready to accept 12byte CDB for Direct IOs.
2529 if ((CDB[0] == READ_10 || CDB[0] == WRITE_10) ||
2530 (CDB[0] == READ_12 || CDB[0] == WRITE_12) ||
2531 !(CDB[2] | CDB[3] | CDB[4] | CDB[5])) {
2533 * Get the transfer size in blocks.
2535 io_size = (cm->cm_length >> sc->DD_block_exponent);
2538 * Get virtual LBA. Point to correct lower 4 bytes of
2539 * LBA in the CDB depending on command.
2541 lba_idx = ((CDB[0] == READ_12) ||
2542 (CDB[0] == WRITE_12) ||
2543 (CDB[0] == READ_10) ||
2544 (CDB[0] == WRITE_10))? 2 : 6;
2545 virtLBA = ((uint64_t)CDB[lba_idx] << 24) |
2546 ((uint64_t)CDB[lba_idx + 1] << 16) |
2547 ((uint64_t)CDB[lba_idx + 2] << 8) |
2548 (uint64_t)CDB[lba_idx + 3];
2551 * Check that LBA range for I/O does not exceed volume's
2554 if ((virtLBA + (uint64_t)io_size - 1) <=
2557 * Check if the I/O crosses a stripe boundary.
2558 * If not, translate the virtual LBA to a
2559 * physical LBA and set the DevHandle for the
2560 * PhysDisk to be used. If it does cross a
2561 * boundry, do normal I/O. To get the right
2562 * DevHandle to use, get the map number for the
2563 * column, then use that map number to look up
2564 * the DevHandle of the PhysDisk.
2566 stripe_offset = (uint32_t)virtLBA &
2567 (sc->DD_stripe_size - 1);
2568 if ((stripe_offset + io_size) <=
2569 sc->DD_stripe_size) {
2570 physLBA = (uint32_t)virtLBA >>
2571 sc->DD_stripe_exponent;
2572 stripe_unit = physLBA /
2573 sc->DD_num_phys_disks;
2575 sc->DD_num_phys_disks;
2576 pIO_req->DevHandle =
2577 htole16(sc->DD_column_map[column].
2579 cm->cm_desc.SCSIIO.DevHandle =
2582 physLBA = (stripe_unit <<
2583 sc->DD_stripe_exponent) +
2586 &pIO_req->CDB.CDB32[lba_idx];
2587 physLBA_byte = (uint8_t)(physLBA >> 24);
2588 *ptrLBA = physLBA_byte;
2590 &pIO_req->CDB.CDB32[lba_idx + 1];
2591 physLBA_byte = (uint8_t)(physLBA >> 16);
2592 *ptrLBA = physLBA_byte;
2594 &pIO_req->CDB.CDB32[lba_idx + 2];
2595 physLBA_byte = (uint8_t)(physLBA >> 8);
2596 *ptrLBA = physLBA_byte;
2598 &pIO_req->CDB.CDB32[lba_idx + 3];
2599 physLBA_byte = (uint8_t)physLBA;
2600 *ptrLBA = physLBA_byte;
2603 * Set flag that Direct Drive I/O is
2606 cm->cm_flags |= MPS_CM_FLAGS_DD_IO;
2611 * 16-byte CDB and the upper 4 bytes of the CDB are not
2612 * 0. Get the transfer size in blocks.
2614 io_size = (cm->cm_length >> sc->DD_block_exponent);
2619 virtLBA = ((uint64_t)CDB[2] << 54) |
2620 ((uint64_t)CDB[3] << 48) |
2621 ((uint64_t)CDB[4] << 40) |
2622 ((uint64_t)CDB[5] << 32) |
2623 ((uint64_t)CDB[6] << 24) |
2624 ((uint64_t)CDB[7] << 16) |
2625 ((uint64_t)CDB[8] << 8) |
2629 * Check that LBA range for I/O does not exceed volume's
2632 if ((virtLBA + (uint64_t)io_size - 1) <=
2635 * Check if the I/O crosses a stripe boundary.
2636 * If not, translate the virtual LBA to a
2637 * physical LBA and set the DevHandle for the
2638 * PhysDisk to be used. If it does cross a
2639 * boundry, do normal I/O. To get the right
2640 * DevHandle to use, get the map number for the
2641 * column, then use that map number to look up
2642 * the DevHandle of the PhysDisk.
2644 stripe_offset = (uint32_t)virtLBA &
2645 (sc->DD_stripe_size - 1);
2646 if ((stripe_offset + io_size) <=
2647 sc->DD_stripe_size) {
2648 physLBA = (uint32_t)(virtLBA >>
2649 sc->DD_stripe_exponent);
2650 stripe_unit = physLBA /
2651 sc->DD_num_phys_disks;
2653 sc->DD_num_phys_disks;
2654 pIO_req->DevHandle =
2655 htole16(sc->DD_column_map[column].
2657 cm->cm_desc.SCSIIO.DevHandle =
2660 physLBA = (stripe_unit <<
2661 sc->DD_stripe_exponent) +
2665 * Set upper 4 bytes of LBA to 0. We
2666 * assume that the phys disks are less
2667 * than 2 TB's in size. Then, set the
2670 pIO_req->CDB.CDB32[2] = 0;
2671 pIO_req->CDB.CDB32[3] = 0;
2672 pIO_req->CDB.CDB32[4] = 0;
2673 pIO_req->CDB.CDB32[5] = 0;
2674 ptrLBA = &pIO_req->CDB.CDB32[6];
2675 physLBA_byte = (uint8_t)(physLBA >> 24);
2676 *ptrLBA = physLBA_byte;
2677 ptrLBA = &pIO_req->CDB.CDB32[7];
2678 physLBA_byte = (uint8_t)(physLBA >> 16);
2679 *ptrLBA = physLBA_byte;
2680 ptrLBA = &pIO_req->CDB.CDB32[8];
2681 physLBA_byte = (uint8_t)(physLBA >> 8);
2682 *ptrLBA = physLBA_byte;
2683 ptrLBA = &pIO_req->CDB.CDB32[9];
2684 physLBA_byte = (uint8_t)physLBA;
2685 *ptrLBA = physLBA_byte;
2688 * Set flag that Direct Drive I/O is
2691 cm->cm_flags |= MPS_CM_FLAGS_DD_IO;
2698 #if __FreeBSD_version >= 900026
2700 mpssas_smpio_complete(struct mps_softc *sc, struct mps_command *cm)
2702 MPI2_SMP_PASSTHROUGH_REPLY *rpl;
2703 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2707 ccb = cm->cm_complete_data;
2710 * Currently there should be no way we can hit this case. It only
2711 * happens when we have a failure to allocate chain frames, and SMP
2712 * commands require two S/G elements only. That should be handled
2713 * in the standard request size.
2715 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
2716 mps_dprint(sc, MPS_ERROR,"%s: cm_flags = %#x on SMP request!\n",
2717 __func__, cm->cm_flags);
2718 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2722 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply;
2724 mps_dprint(sc, MPS_ERROR, "%s: NULL cm_reply!\n", __func__);
2725 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2729 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2730 sasaddr = le32toh(req->SASAddress.Low);
2731 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32;
2733 if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
2734 MPI2_IOCSTATUS_SUCCESS ||
2735 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) {
2736 mps_dprint(sc, MPS_XINFO, "%s: IOCStatus %04x SASStatus %02x\n",
2737 __func__, le16toh(rpl->IOCStatus), rpl->SASStatus);
2738 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2742 mps_dprint(sc, MPS_XINFO, "%s: SMP request to SAS address "
2743 "%#jx completed successfully\n", __func__,
2744 (uintmax_t)sasaddr);
2746 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED)
2747 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2749 mpssas_set_ccbstatus(ccb, CAM_SMP_STATUS_ERROR);
2753 * We sync in both directions because we had DMAs in the S/G list
2754 * in both directions.
2756 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap,
2757 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2758 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2759 mps_free_command(sc, cm);
2764 mpssas_send_smpcmd(struct mpssas_softc *sassc, union ccb *ccb, uint64_t sasaddr)
2766 struct mps_command *cm;
2767 uint8_t *request, *response;
2768 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2769 struct mps_softc *sc;
2778 * XXX We don't yet support physical addresses here.
2780 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
2781 case CAM_DATA_PADDR:
2782 case CAM_DATA_SG_PADDR:
2783 mps_dprint(sc, MPS_ERROR,
2784 "%s: physical addresses not supported\n", __func__);
2785 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
2790 * The chip does not support more than one buffer for the
2791 * request or response.
2793 if ((ccb->smpio.smp_request_sglist_cnt > 1)
2794 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
2795 mps_dprint(sc, MPS_ERROR,
2796 "%s: multiple request or response "
2797 "buffer segments not supported for SMP\n",
2799 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
2805 * The CAM_SCATTER_VALID flag was originally implemented
2806 * for the XPT_SCSI_IO CCB, which only has one data pointer.
2807 * We have two. So, just take that flag to mean that we
2808 * might have S/G lists, and look at the S/G segment count
2809 * to figure out whether that is the case for each individual
2812 if (ccb->smpio.smp_request_sglist_cnt != 0) {
2813 bus_dma_segment_t *req_sg;
2815 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
2816 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
2818 request = ccb->smpio.smp_request;
2820 if (ccb->smpio.smp_response_sglist_cnt != 0) {
2821 bus_dma_segment_t *rsp_sg;
2823 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
2824 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
2826 response = ccb->smpio.smp_response;
2828 case CAM_DATA_VADDR:
2829 request = ccb->smpio.smp_request;
2830 response = ccb->smpio.smp_response;
2833 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
2838 cm = mps_alloc_command(sc);
2840 mps_dprint(sc, MPS_ERROR,
2841 "%s: cannot allocate command\n", __func__);
2842 mpssas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
2847 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2848 bzero(req, sizeof(*req));
2849 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
2851 /* Allow the chip to use any route to this SAS address. */
2852 req->PhysicalPort = 0xff;
2854 req->RequestDataLength = htole16(ccb->smpio.smp_request_len);
2856 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI;
2858 mps_dprint(sc, MPS_XINFO, "%s: sending SMP request to SAS "
2859 "address %#jx\n", __func__, (uintmax_t)sasaddr);
2861 mpi_init_sge(cm, req, &req->SGL);
2864 * Set up a uio to pass into mps_map_command(). This allows us to
2865 * do one map command, and one busdma call in there.
2867 cm->cm_uio.uio_iov = cm->cm_iovec;
2868 cm->cm_uio.uio_iovcnt = 2;
2869 cm->cm_uio.uio_segflg = UIO_SYSSPACE;
2872 * The read/write flag isn't used by busdma, but set it just in
2873 * case. This isn't exactly accurate, either, since we're going in
2876 cm->cm_uio.uio_rw = UIO_WRITE;
2878 cm->cm_iovec[0].iov_base = request;
2879 cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength);
2880 cm->cm_iovec[1].iov_base = response;
2881 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len;
2883 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len +
2884 cm->cm_iovec[1].iov_len;
2887 * Trigger a warning message in mps_data_cb() for the user if we
2888 * wind up exceeding two S/G segments. The chip expects one
2889 * segment for the request and another for the response.
2891 cm->cm_max_segs = 2;
2893 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
2894 cm->cm_complete = mpssas_smpio_complete;
2895 cm->cm_complete_data = ccb;
2898 * Tell the mapping code that we're using a uio, and that this is
2899 * an SMP passthrough request. There is a little special-case
2900 * logic there (in mps_data_cb()) to handle the bidirectional
2903 cm->cm_flags |= MPS_CM_FLAGS_USE_UIO | MPS_CM_FLAGS_SMP_PASS |
2904 MPS_CM_FLAGS_DATAIN | MPS_CM_FLAGS_DATAOUT;
2906 /* The chip data format is little endian. */
2907 req->SASAddress.High = htole32(sasaddr >> 32);
2908 req->SASAddress.Low = htole32(sasaddr);
2911 * XXX Note that we don't have a timeout/abort mechanism here.
2912 * From the manual, it looks like task management requests only
2913 * work for SCSI IO and SATA passthrough requests. We may need to
2914 * have a mechanism to retry requests in the event of a chip reset
2915 * at least. Hopefully the chip will insure that any errors short
2916 * of that are relayed back to the driver.
2918 error = mps_map_command(sc, cm);
2919 if ((error != 0) && (error != EINPROGRESS)) {
2920 mps_dprint(sc, MPS_ERROR,
2921 "%s: error %d returned from mps_map_command()\n",
2929 mps_free_command(sc, cm);
2930 mpssas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
2937 mpssas_action_smpio(struct mpssas_softc *sassc, union ccb *ccb)
2939 struct mps_softc *sc;
2940 struct mpssas_target *targ;
2941 uint64_t sasaddr = 0;
2946 * Make sure the target exists.
2948 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
2949 ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id));
2950 targ = &sassc->targets[ccb->ccb_h.target_id];
2951 if (targ->handle == 0x0) {
2952 mps_dprint(sc, MPS_ERROR,
2953 "%s: target %d does not exist!\n", __func__,
2954 ccb->ccb_h.target_id);
2955 mpssas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
2961 * If this device has an embedded SMP target, we'll talk to it
2963 * figure out what the expander's address is.
2965 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0)
2966 sasaddr = targ->sasaddr;
2969 * If we don't have a SAS address for the expander yet, try
2970 * grabbing it from the page 0x83 information cached in the
2971 * transport layer for this target. LSI expanders report the
2972 * expander SAS address as the port-associated SAS address in
2973 * Inquiry VPD page 0x83. Maxim expanders don't report it in page
2976 * XXX KDM disable this for now, but leave it commented out so that
2977 * it is obvious that this is another possible way to get the SAS
2980 * The parent handle method below is a little more reliable, and
2981 * the other benefit is that it works for devices other than SES
2982 * devices. So you can send a SMP request to a da(4) device and it
2983 * will get routed to the expander that device is attached to.
2984 * (Assuming the da(4) device doesn't contain an SMP target...)
2988 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path);
2992 * If we still don't have a SAS address for the expander, look for
2993 * the parent device of this device, which is probably the expander.
2996 #ifdef OLD_MPS_PROBE
2997 struct mpssas_target *parent_target;
3000 if (targ->parent_handle == 0x0) {
3001 mps_dprint(sc, MPS_ERROR,
3002 "%s: handle %d does not have a valid "
3003 "parent handle!\n", __func__, targ->handle);
3004 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3007 #ifdef OLD_MPS_PROBE
3008 parent_target = mpssas_find_target_by_handle(sassc, 0,
3009 targ->parent_handle);
3011 if (parent_target == NULL) {
3012 mps_dprint(sc, MPS_ERROR,
3013 "%s: handle %d does not have a valid "
3014 "parent target!\n", __func__, targ->handle);
3015 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3019 if ((parent_target->devinfo &
3020 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
3021 mps_dprint(sc, MPS_ERROR,
3022 "%s: handle %d parent %d does not "
3023 "have an SMP target!\n", __func__,
3024 targ->handle, parent_target->handle);
3025 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3030 sasaddr = parent_target->sasaddr;
3031 #else /* OLD_MPS_PROBE */
3032 if ((targ->parent_devinfo &
3033 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
3034 mps_dprint(sc, MPS_ERROR,
3035 "%s: handle %d parent %d does not "
3036 "have an SMP target!\n", __func__,
3037 targ->handle, targ->parent_handle);
3038 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3042 if (targ->parent_sasaddr == 0x0) {
3043 mps_dprint(sc, MPS_ERROR,
3044 "%s: handle %d parent handle %d does "
3045 "not have a valid SAS address!\n",
3046 __func__, targ->handle, targ->parent_handle);
3047 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3051 sasaddr = targ->parent_sasaddr;
3052 #endif /* OLD_MPS_PROBE */
3057 mps_dprint(sc, MPS_INFO,
3058 "%s: unable to find SAS address for handle %d\n",
3059 __func__, targ->handle);
3060 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3063 mpssas_send_smpcmd(sassc, ccb, sasaddr);
3071 #endif //__FreeBSD_version >= 900026
3074 mpssas_action_resetdev(struct mpssas_softc *sassc, union ccb *ccb)
3076 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
3077 struct mps_softc *sc;
3078 struct mps_command *tm;
3079 struct mpssas_target *targ;
3081 MPS_FUNCTRACE(sassc->sc);
3082 mtx_assert(&sassc->sc->mps_mtx, MA_OWNED);
3084 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
3085 ("Target %d out of bounds in XPT_RESET_DEV\n",
3086 ccb->ccb_h.target_id));
3088 tm = mps_alloc_command(sc);
3090 mps_dprint(sc, MPS_ERROR,
3091 "command alloc failure in mpssas_action_resetdev\n");
3092 mpssas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
3097 targ = &sassc->targets[ccb->ccb_h.target_id];
3098 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
3099 req->DevHandle = htole16(targ->handle);
3100 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3101 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3103 /* SAS Hard Link Reset / SATA Link Reset */
3104 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
3107 tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
3108 tm->cm_complete = mpssas_resetdev_complete;
3109 tm->cm_complete_data = ccb;
3111 mps_map_command(sc, tm);
3115 mpssas_resetdev_complete(struct mps_softc *sc, struct mps_command *tm)
3117 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
3121 mtx_assert(&sc->mps_mtx, MA_OWNED);
3123 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
3124 ccb = tm->cm_complete_data;
3127 * Currently there should be no way we can hit this case. It only
3128 * happens when we have a failure to allocate chain frames, and
3129 * task management commands don't have S/G lists.
3131 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
3132 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
3134 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
3136 mps_dprint(sc, MPS_ERROR,
3137 "%s: cm_flags = %#x for reset of handle %#04x! "
3138 "This should not happen!\n", __func__, tm->cm_flags,
3140 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3144 mps_dprint(sc, MPS_XINFO,
3145 "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n", __func__,
3146 le16toh(resp->IOCStatus), le32toh(resp->ResponseCode));
3148 if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) {
3149 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
3150 mpssas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
3154 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3158 mpssas_free_tm(sc, tm);
3163 mpssas_poll(struct cam_sim *sim)
3165 struct mpssas_softc *sassc;
3167 sassc = cam_sim_softc(sim);
3169 if (sassc->sc->mps_debug & MPS_TRACE) {
3170 /* frequent debug messages during a panic just slow
3171 * everything down too much.
3173 mps_printf(sassc->sc, "%s clearing MPS_TRACE\n", __func__);
3174 sassc->sc->mps_debug &= ~MPS_TRACE;
3177 mps_intr_locked(sassc->sc);
3181 mpssas_async(void *callback_arg, uint32_t code, struct cam_path *path,
3184 struct mps_softc *sc;
3186 sc = (struct mps_softc *)callback_arg;
3189 #if (__FreeBSD_version >= 1000006) || \
3190 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
3191 case AC_ADVINFO_CHANGED: {
3192 struct mpssas_target *target;
3193 struct mpssas_softc *sassc;
3194 struct scsi_read_capacity_data_long rcap_buf;
3195 struct ccb_dev_advinfo cdai;
3196 struct mpssas_lun *lun;
3201 buftype = (uintptr_t)arg;
3207 * We're only interested in read capacity data changes.
3209 if (buftype != CDAI_TYPE_RCAPLONG)
3213 * We should have a handle for this, but check to make sure.
3215 KASSERT(xpt_path_target_id(path) < sassc->maxtargets,
3216 ("Target %d out of bounds in mpssas_async\n",
3217 xpt_path_target_id(path)));
3218 target = &sassc->targets[xpt_path_target_id(path)];
3219 if (target->handle == 0)
3222 lunid = xpt_path_lun_id(path);
3224 SLIST_FOREACH(lun, &target->luns, lun_link) {
3225 if (lun->lun_id == lunid) {
3231 if (found_lun == 0) {
3232 lun = malloc(sizeof(struct mpssas_lun), M_MPT2,
3235 mps_dprint(sc, MPS_ERROR, "Unable to alloc "
3236 "LUN for EEDP support.\n");
3239 lun->lun_id = lunid;
3240 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3243 bzero(&rcap_buf, sizeof(rcap_buf));
3244 xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL);
3245 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3246 cdai.ccb_h.flags = CAM_DIR_IN;
3247 cdai.buftype = CDAI_TYPE_RCAPLONG;
3249 cdai.bufsiz = sizeof(rcap_buf);
3250 cdai.buf = (uint8_t *)&rcap_buf;
3251 xpt_action((union ccb *)&cdai);
3252 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3253 cam_release_devq(cdai.ccb_h.path,
3256 if ((mpssas_get_ccbstatus((union ccb *)&cdai) == CAM_REQ_CMP)
3257 && (rcap_buf.prot & SRC16_PROT_EN)) {
3258 lun->eedp_formatted = TRUE;
3259 lun->eedp_block_size = scsi_4btoul(rcap_buf.length);
3261 lun->eedp_formatted = FALSE;
3262 lun->eedp_block_size = 0;
3267 case AC_FOUND_DEVICE: {
3268 struct ccb_getdev *cgd;
3271 mpssas_check_eedp(sc, path, cgd);
3280 #if (__FreeBSD_version < 901503) || \
3281 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3283 mpssas_check_eedp(struct mps_softc *sc, struct cam_path *path,
3284 struct ccb_getdev *cgd)
3286 struct mpssas_softc *sassc = sc->sassc;
3287 struct ccb_scsiio *csio;
3288 struct scsi_read_capacity_16 *scsi_cmd;
3289 struct scsi_read_capacity_eedp *rcap_buf;
3291 target_id_t targetid;
3294 struct cam_path *local_path;
3295 struct mpssas_target *target;
3296 struct mpssas_lun *lun;
3301 pathid = cam_sim_path(sassc->sim);
3302 targetid = xpt_path_target_id(path);
3303 lunid = xpt_path_lun_id(path);
3305 KASSERT(targetid < sassc->maxtargets,
3306 ("Target %d out of bounds in mpssas_check_eedp\n",
3308 target = &sassc->targets[targetid];
3309 if (target->handle == 0x0)
3313 * Determine if the device is EEDP capable.
3315 * If this flag is set in the inquiry data,
3316 * the device supports protection information,
3317 * and must support the 16 byte read
3318 * capacity command, otherwise continue without
3319 * sending read cap 16
3321 if ((cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) == 0)
3325 * Issue a READ CAPACITY 16 command. This info
3326 * is used to determine if the LUN is formatted
3329 ccb = xpt_alloc_ccb_nowait();
3331 mps_dprint(sc, MPS_ERROR, "Unable to alloc CCB "
3332 "for EEDP support.\n");
3336 if (xpt_create_path(&local_path, xpt_periph,
3337 pathid, targetid, lunid) != CAM_REQ_CMP) {
3338 mps_dprint(sc, MPS_ERROR, "Unable to create "
3339 "path for EEDP support\n");
3345 * If LUN is already in list, don't create a new
3349 SLIST_FOREACH(lun, &target->luns, lun_link) {
3350 if (lun->lun_id == lunid) {
3356 lun = malloc(sizeof(struct mpssas_lun), M_MPT2,
3359 mps_dprint(sc, MPS_ERROR,
3360 "Unable to alloc LUN for EEDP support.\n");
3361 xpt_free_path(local_path);
3365 lun->lun_id = lunid;
3366 SLIST_INSERT_HEAD(&target->luns, lun,
3370 xpt_path_string(local_path, path_str, sizeof(path_str));
3371 mps_dprint(sc, MPS_INFO, "Sending read cap: path %s handle %d\n",
3372 path_str, target->handle);
3375 * Issue a READ CAPACITY 16 command for the LUN.
3376 * The mpssas_read_cap_done function will load
3377 * the read cap info into the LUN struct.
3379 rcap_buf = malloc(sizeof(struct scsi_read_capacity_eedp),
3380 M_MPT2, M_NOWAIT | M_ZERO);
3381 if (rcap_buf == NULL) {
3382 mps_dprint(sc, MPS_FAULT,
3383 "Unable to alloc read capacity buffer for EEDP support.\n");
3384 xpt_free_path(ccb->ccb_h.path);
3388 xpt_setup_ccb(&ccb->ccb_h, local_path, CAM_PRIORITY_XPT);
3390 csio->ccb_h.func_code = XPT_SCSI_IO;
3391 csio->ccb_h.flags = CAM_DIR_IN;
3392 csio->ccb_h.retry_count = 4;
3393 csio->ccb_h.cbfcnp = mpssas_read_cap_done;
3394 csio->ccb_h.timeout = 60000;
3395 csio->data_ptr = (uint8_t *)rcap_buf;
3396 csio->dxfer_len = sizeof(struct scsi_read_capacity_eedp);
3397 csio->sense_len = MPS_SENSE_LEN;
3398 csio->cdb_len = sizeof(*scsi_cmd);
3399 csio->tag_action = MSG_SIMPLE_Q_TAG;
3401 scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes;
3402 bzero(scsi_cmd, sizeof(*scsi_cmd));
3403 scsi_cmd->opcode = 0x9E;
3404 scsi_cmd->service_action = SRC16_SERVICE_ACTION;
3405 ((uint8_t *)scsi_cmd)[13] = sizeof(struct scsi_read_capacity_eedp);
3407 ccb->ccb_h.ppriv_ptr1 = sassc;
3412 mpssas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb)
3414 struct mpssas_softc *sassc;
3415 struct mpssas_target *target;
3416 struct mpssas_lun *lun;
3417 struct scsi_read_capacity_eedp *rcap_buf;
3419 if (done_ccb == NULL)
3422 /* Driver need to release devq, it Scsi command is
3423 * generated by driver internally.
3424 * Currently there is a single place where driver
3425 * calls scsi command internally. In future if driver
3426 * calls more scsi command internally, it needs to release
3427 * devq internally, since those command will not go back to
3430 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) ) {
3431 done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3432 xpt_release_devq(done_ccb->ccb_h.path,
3433 /*count*/ 1, /*run_queue*/TRUE);
3436 rcap_buf = (struct scsi_read_capacity_eedp *)done_ccb->csio.data_ptr;
3439 * Get the LUN ID for the path and look it up in the LUN list for the
3442 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1;
3443 KASSERT(done_ccb->ccb_h.target_id < sassc->maxtargets,
3444 ("Target %d out of bounds in mpssas_read_cap_done\n",
3445 done_ccb->ccb_h.target_id));
3446 target = &sassc->targets[done_ccb->ccb_h.target_id];
3447 SLIST_FOREACH(lun, &target->luns, lun_link) {
3448 if (lun->lun_id != done_ccb->ccb_h.target_lun)
3452 * Got the LUN in the target's LUN list. Fill it in
3453 * with EEDP info. If the READ CAP 16 command had some
3454 * SCSI error (common if command is not supported), mark
3455 * the lun as not supporting EEDP and set the block size
3458 if ((mpssas_get_ccbstatus(done_ccb) != CAM_REQ_CMP)
3459 || (done_ccb->csio.scsi_status != SCSI_STATUS_OK)) {
3460 lun->eedp_formatted = FALSE;
3461 lun->eedp_block_size = 0;
3465 if (rcap_buf->protect & 0x01) {
3466 mps_dprint(sassc->sc, MPS_INFO, "LUN %d for "
3467 "target ID %d is formatted for EEDP "
3468 "support.\n", done_ccb->ccb_h.target_lun,
3469 done_ccb->ccb_h.target_id);
3470 lun->eedp_formatted = TRUE;
3471 lun->eedp_block_size = scsi_4btoul(rcap_buf->length);
3476 // Finished with this CCB and path.
3477 free(rcap_buf, M_MPT2);
3478 xpt_free_path(done_ccb->ccb_h.path);
3479 xpt_free_ccb(done_ccb);
3481 #endif /* (__FreeBSD_version < 901503) || \
3482 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */
3485 mpssas_startup(struct mps_softc *sc)
3489 * Send the port enable message and set the wait_for_port_enable flag.
3490 * This flag helps to keep the simq frozen until all discovery events
3493 sc->wait_for_port_enable = 1;
3494 mpssas_send_portenable(sc);
3499 mpssas_send_portenable(struct mps_softc *sc)
3501 MPI2_PORT_ENABLE_REQUEST *request;
3502 struct mps_command *cm;
3506 if ((cm = mps_alloc_command(sc)) == NULL)
3508 request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req;
3509 request->Function = MPI2_FUNCTION_PORT_ENABLE;
3510 request->MsgFlags = 0;
3512 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
3513 cm->cm_complete = mpssas_portenable_complete;
3517 mps_map_command(sc, cm);
3518 mps_dprint(sc, MPS_XINFO,
3519 "mps_send_portenable finished cm %p req %p complete %p\n",
3520 cm, cm->cm_req, cm->cm_complete);
3525 mpssas_portenable_complete(struct mps_softc *sc, struct mps_command *cm)
3527 MPI2_PORT_ENABLE_REPLY *reply;
3528 struct mpssas_softc *sassc;
3534 * Currently there should be no way we can hit this case. It only
3535 * happens when we have a failure to allocate chain frames, and
3536 * port enable commands don't have S/G lists.
3538 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
3539 mps_dprint(sc, MPS_ERROR, "%s: cm_flags = %#x for port enable! "
3540 "This should not happen!\n", __func__, cm->cm_flags);
3543 reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply;
3545 mps_dprint(sc, MPS_FAULT, "Portenable NULL reply\n");
3546 else if (le16toh(reply->IOCStatus & MPI2_IOCSTATUS_MASK) !=
3547 MPI2_IOCSTATUS_SUCCESS)
3548 mps_dprint(sc, MPS_FAULT, "Portenable failed\n");
3550 mps_free_command(sc, cm);
3551 if (sc->mps_ich.ich_arg != NULL) {
3552 mps_dprint(sc, MPS_XINFO, "disestablish config intrhook\n");
3553 config_intrhook_disestablish(&sc->mps_ich);
3554 sc->mps_ich.ich_arg = NULL;
3558 * Get WarpDrive info after discovery is complete but before the scan
3559 * starts. At this point, all devices are ready to be exposed to the
3560 * OS. If devices should be hidden instead, take them out of the
3561 * 'targets' array before the scan. The devinfo for a disk will have
3562 * some info and a volume's will be 0. Use that to remove disks.
3564 mps_wd_config_pages(sc);
3567 * Done waiting for port enable to complete. Decrement the refcount.
3568 * If refcount is 0, discovery is complete and a rescan of the bus can
3569 * take place. Since the simq was explicitly frozen before port
3570 * enable, it must be explicitly released here to keep the
3571 * freeze/release count in sync.
3573 sc->wait_for_port_enable = 0;
3574 sc->port_enable_complete = 1;
3575 wakeup(&sc->port_enable_complete);
3576 mpssas_startup_decrement(sassc);
3580 mpssas_check_id(struct mpssas_softc *sassc, int id)
3582 struct mps_softc *sc = sassc->sc;
3586 ids = &sc->exclude_ids[0];
3587 while((name = strsep(&ids, ",")) != NULL) {
3588 if (name[0] == '\0')
3590 if (strtol(name, NULL, 0) == (long)id)
3598 mpssas_realloc_targets(struct mps_softc *sc, int maxtargets)
3600 struct mpssas_softc *sassc;
3601 struct mpssas_lun *lun, *lun_tmp;
3602 struct mpssas_target *targ;
3607 * The number of targets is based on IOC Facts, so free all of
3608 * the allocated LUNs for each target and then the target buffer
3611 for (i=0; i< maxtargets; i++) {
3612 targ = &sassc->targets[i];
3613 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
3617 free(sassc->targets, M_MPT2);
3619 sassc->targets = malloc(sizeof(struct mpssas_target) * maxtargets,
3620 M_MPT2, M_WAITOK|M_ZERO);
3621 if (!sassc->targets) {
3622 panic("%s failed to alloc targets with error %d\n",